Rims

- Deep section Road racing, Triathlon, Commuting, Touring, Track racing, and Singlespeed rim for strength and aerodynamics - Hollow core aluminum with machined sidewalls for improved braking

- Deep section Urban/Fixie, Track racing rim for strength and aerodynamics - Non-machined sidewalls for added style points

- Mid Fat, and Fat Race are what this thing is all about - Perfect for sand, snow, trail, and everything in between - Double wall for increased stiffness and tubeless ready - 45mm width disc-only rim

- Mid Fat, and Fat Race are what this thing is all about - Perfect for sand, snow, trail, and everything in between - Double wall for increased stiffness and tubeless ready - 45mm width disc-only rim

- Blending the A23 clincher and Escape tubular rims, the 23mm wide Major Tom provides improved traction for unparalleled ground control - Seam relief channel that allows for consistent and reliable tubular tire installation - Hollow core aluminum with machined sidewalls for precise braking and handling

Overkill? Maybe. Let’s just call it a rim you can ride over hill and dale without bothering to pack a spoke wrench. Product specs: - Sizes: 700c, 29-inch, 20-inch, 20x1 3/8-inch, 24-inch, 24x1-3/8-inch - Hole counts: 32, 36 - Width: 22.5mm

Product specs: - Str tubeless ready - Size: 27.5", 29" - Outside width: 40mm - Inner bead width: 36mm - Weight: 27.5"-515g, 29"-550g - Double wall welded rim (sleeved rims available oem only) - Brake compatibility: disc only - Hole count: 28/32

PRODUCT SPECS: - 36 hole count - 25mm wide - Pinned - 20", 24" - 330g, 415g

Product specs: - 36 hole count - Front and rear specific - 28.5mm wide - Welded - 20", 24" - 395g front rim 392g rear rim - Also available in 24", black only

- 21.6mm wide Sleeved rim

PRODUCT SPECS: - Size: 26?, 27.5" (sleeved only) , 29? - Outside Width: 25mm - Inner bead width: 20.3mm - Section Height: 19mm - Weight: 26?- 448g, 27.5"-495g, 29?- 527g - Type: Sleeved or Welded - Brake Compatibility: Disc Only - Hole Count: 28, 32

PRODUCT SPECS: - Size: 26?, 27.5" (sleeved only), 29? - Outside Width: 27mm - Inner bead width: 22.3mm - Section Height: 20mm - Weight: 26?- 482g, 27.5"-515g, 29?- 547g - Type: Sleeved or Welded - Brake Compatibility: Disc Only - Hole Count: 32

Product specs: - Size: 26?, 27.5" (sleeved only) - Outside width: 29mm - Inner bead width: 23.4mm - Section height: 21mm - Weight: 26?- 520g, 27.5"-562g - Type: sleeved or welded - Brake compatibility: disc only - Hole count: 32

Product specs: - Size:24", 26", 29" - Width:33.5 - Bead width: 33.5mm - Inner bead width: 26mm - Section height: 25.5mm - Weight (26"): 660g - Sleeved or welded - Hole count: 32, 36

Product specs: - Size:24", 26" - Width:39mm - Bead width: 39mm - Inner bead width: 30mm - Section height: 27.5mm - Weight (26"): 760g - Sleeved or welded - Hole count: 32, 36

Product specs: - Size:24", 26" - Width:31mm - Bead width: 31mm - Inner bead width: 24mm - Section height: 22.5mm - Weight (26"): 630g - Sleeved or welded - Hole count: 32, 36

- Light enough to take XC racing but was born from research and testing on the Enduro World Series circuit, making it a great rim for anyone looking to improve both descending and climbing - Asymmetric rim design allows for a stronger wheel while offering the easy inflation and Stan's trademark unmatched airtight seal. - 28mm internal width ideal for 2.2-2.5" tires - Light and durable 6069 aluminum with welded joint and reinforced spoke bed

- Asymmetric rim design allows for a stronger wheel while offering the easy inflation and Stan's trademark unmatched airtight seal. - 25mm width optimized for 40mm Gravel tires and up to 2.3'' mountain tires - Light and durable 6069 aluminum with welded joint and reinforced spoke bed

- Asymmetric Bead Socket Technology brings Stan's legendary easy inflation and the most reliable airtight seal to wider, offset carbon rims - Custom carbon layup equalizes impact forces on both the long and short sides of the rim, making both stronger - Asymmetric rim shape with offset drilling improves bracing angle and balances spoke tension to create a stronger overall wheel - 250lb Recommended Maximum Rider Weight - 27.5": 420g, 29": 455g

Based on the legendary Flow EX, the new Flow EX3 rim features Tiebeam, an internal reinforcement that offers unmatched impact resistance and the best air retention of any tubeless rim. The Flow EX3 combines the incredibly durable Tiebeam design of Stan's classic Flow EX with the 29mm internal width and 6069 aluminum construction of the popular Flow MK3 to create an entirely new rim built to handle today's faster, heavier, and more capable enduro, downhill and e-bikes. - Designed, tested, and raced to victories on the World Cup DH and Enduro World Series circuits - Tie-beam triple-cavity rim design resists damage and prevents air loss under impacts - 29mm internal width optimized for 2.35" to 2.8" Trail, All-mountain, and DH tires

Based on the legendary Flow EX, the new Flow EX3 rim features Tiebeam, an internal reinforcement that offers unmatched impact resistance and the best air retention of any tubeless rim. The Flow EX3 combines the incredibly durable Tiebeam design of Stan's classic Flow EX with the 29mm internal width and 6069 aluminum construction of the popular Flow MK3 to create an entirely new rim built to handle today's faster, heavier and more capable enduro, downhill and e-bikes. - Designed, tested, and raced to victories on the World Cup DH and Enduro World Series circuits - Tie-beam triple-cavity rim design resists damage and prevents air loss under impacts - 29mm internal width optimized for 2.35" to 2.8" Trail, All-mountain, and DH tires

- Low-profile 30mm internal width optimizes tire shape, traction, and control for 2.3-2.6'' tires - Durable 6069 aluminum with welded joint and reinforced spoke bed - BST Asymmetric design combines Stan's legendary easy tubeless inflation with a stronger, more balanced wheel build - Reinforced spoke bed, combined with the offset drilling of the asymmetrical design, builds into an incredibly durable wheel that brings added confidence to every ride. Specs: - Rim Material: Aluminum - Rim Eyelets: No - Valve: Presta - Rim Construction: Double wall - Brake Type: Disc - Tire Type: Tubeless Ready

The SPANK Flare 24 Vibrocore Rim is a disc-specific, tubeless-ready clincher rim, optimized for Gravel, Adventure, and MTB Cross Country use. SPANK's radial-compliant, disc-specific rim utilizes a proprietary Vibrocore inner well that reduces the transmission of harmful vibration frequencies, resulting in improved rider comfort as well as increasing the fatigue life of the rim. Paired with our Vibrocore handlebars, whether you're on risers or drops, long rides are about to get more comfortable. - Disc-specific, tubeless-ready clincher rim, with Vibrocore, optimized for Gravel, Adventure, and MTB Cross Country use - Vibrocore inner well reduces the transmission of harmful vibration frequencies, improving rider comfort and increasing the fatigue life of the rim - Low-profile 16.5mm depth and wide 27.5mm outer width enhances Radial Compliance, improving traction while reducing negative feedback to the rider - Symmetric profile with wide 24mm inner width, optimizes tire spread with modern wide gravel tires, without compromising overall weight - Bead Nip tubeless bead seats provide reliable tubeless performance even at low pressures

- An ultra-wide, high performance alloy rim, weight optimized for Enduro, Trail and All Mountain use - Tubeless ready with anti-burp rim hooks to prevent the loss of pressure and keep tires firmly in place - 32 holes with an inner width of 35mm and outer width of 39.5mm provides ultra-wide support for Plus-Size and high volume tires - The corrugated rim center, a brand acclaimed technology, adds exceptional strength, making it more rigid and allowing the rim to be wider without adding material - Shotpeen finish to increase fatigue life and make it more durable - MGR Dynamal Alloy

Performance hoops purpose-built for kids! SPANK Industries’ SPOON 28 rims are the perfect solution to upgrade your kid’s MTB. Manufactured from light yet durable 6-series alloy, the SPOON 28 rim is a safe, strong, performance-enhancing hoop, with a moderate width that accepts most 20-inch tires. Unlike the majority of 20-inch rims on the market, SPOON 28 rims were designed specifically for junior shredders on 20-inch mountain bikes. Key Technologies: Bead Nip Tubeless: Not recommended ERD (mm++): 382 ETRTO (mm): 406x23 Discipline: Kids

Spank's Spoon 32 rims are gravity rims done right! If your rides encompass big hits and fast descents then a pair of Spoon 32 rims might be just what you need to tackle your favored terrain. - Six Series aluminum alloy - Disc specific rim - Tubeless Ready

- A polished triple box section rim with a 24.4mm width. - Good looking enough for your randonneur bike - Rim brake compatible - Pinned joint, single eyelets, non-machined sidewalls

Race Face's popular AR rims have been updated for 2019 with an asymmetric rim profile, improving spoke tension balance and overall wheel build quality and durability. The rim extrusion has also been improved to increase impact performance for more aggressive applications. With a tubeless compatible rim profile and color match capabilities, these rims are ready for any build you can throw at them. - Offset nipple bed for improved spoke tension balance and wheel strength/stiffness - Tubeless ready with strong tire retention bead

Race Face's popular AR rims have been updated for 2019 with an asymmetric rim profile, improving spoke tension balance and overall wheel build quality and durability. The rim extrusion has also been improved to increase impact performance for more aggressive applications. With a tubeless compatible rim profile and color match capabilities, these rims are ready for any build you can throw at them. - Offset nipple bed for improved spoke tension balance and wheel strength/stiffness - Tubeless ready with strong tire retention bead

Stiffer, stronger, and ready to party, ARC 31 Carbon Rims take notes from Race Face's Next R carbon wheelset; built to handle the most challenging days on the trail. With one of the lightest enduro rims on the market, you can tackle the climbs with speed while you hit the descents with confidence. The ARC 31 has been redesigned to take full advantage of the benefits carbon fiber has to offer, and feature a generous 31mm internal width for modern tire widths with lower pressures. Lace these rims to your favorite hub, and you’ve got a world-class wheelset ready for action.

30mm Heavy Duty rim for gravity and e-bike applications. - Offset nipple bed for improved spoke tension balance and wheel strength/stiffness - Tubeless ready, strong tire retention bead

The ARC Offset rims utilize an asymmetrical design to optimize spoke tension balance, wheel durability, and wheel stiffness. Its 6069 Alloy construction provides a superior strength-to-weight ratio, significantly improving toughness. - Offset nipple bed for improved spoke tension balance and wheel strength/stiffness - Strong tire retention bead - Tubeless ready

The ARC Offset rims utilize an asymmetrical design to optimize spoke tension balance, wheel durability, and wheel stiffness. Its 6069 Alloy construction provides a superior strength-to-weight ratio, significantly improving toughness. - Offset nipple bed for improved spoke tension balance and wheel strength/stiffness - Strong tire retention bead - Tubeless ready

• Size: 26x4.0 • Single wall construction • Non-machined sidewall • Color: Black • Drilling: 32 • ERD: 536 • Width: 80mm • Depth: 24.5 • Weight: 1,061 grams

- Model: AT-PRO801-UL - ISO: 559 - Width ID: 74 - Width OD: 80 - Profile: 23.5 - Wall: Sgl - Side: NMSW - Valve: PV - Weight: 1078g - ERD: 536 - Tire Compatibility: Tube Only

- Size: 26 x 4.0 - Single wall construction - Non-machined sidewall - Color: Black - Drilling: 32 - ERD: 536 - Width: 60mm - Depth: 24.5

- AL6061-T6 alloy construction - Post-production anodized in a sanded gloss black finish - Available in 2 profile options - Tubeless ready - Disc brake only - Sleeved joint - ISO-Road certified Specs: - ISO: 622 - Wall: Dbl - Side: Disc - Valve: Pv - Tire Compatibility: Tubeless Compatible High Profile: - Width ID: 19 - Width OD: 22.6 - Profile: 30 - Weight: 400g - ERD: 577 Low Profile: - Width ID: 17 - Width OD: 22.3 - Profile: 22 - Weight: 410 - ERD: 594

- AL6061-T6 alloy construction - Post-production anodized in a sanded gloss black finish - Eyeletted spoke holes - Tubeless ready - Disc brake only - Sleeved joint - ISO-Mountain certified - Size: 29" - Model: Bolt Alloy MTB AM - ISO: 622 - Width ID: 27 - Width OD: 31.8 - Profile: 21.5 - Wall: Double - Side: Disc - Color: Black - Drill: 32 - Valve: Presta - Weight: 530g - ERD: 594.4

- AL6061-T6 alloy construction - Post-production anodized in a sanded gloss black finish - Eyeletted spoke holes - Tubeless ready - Disc brake only - Sleeved joint - ISO-Mountain certified - Size: 29" - Model: Bolt Alloy MTB DH - ISO: 622 - Width ID: 30 - Width OD: 35 - Profile: 21.5 - Wall: Double - Side: Disc - Drill: 32 - Valve: Presta - Weight: 550g - ERD: 594.4

- AL6061-T6 alloy construction - Post-production anodized in a sanded gloss black finish - Eyeletted spoke holes - Tubeless ready - Disc brake only - Sleeved joint - ISO-Mountain certified - Size: 29" - Model: Bolt Alloy MTB XC - ISO: 622 - Width ID: 25 - Width OD: 29.8 - Profile: 21.5 - Wall: Double - Side: Disc - Drill: 32 - Valve: Presta - Weight: 485g - ERD: 594.4

- Unidirectional Toray T700 carbon fiber construction - Reinforced nipple bed with directional drilling - Hookless bead design - Tubeless ready - Disc brake only - ISO-Mountain certified - ISO: 559 - Width ID: 80 - Width OD: 85 - Profile: 22 - Wall: Dbl - Side: Disc - Valve: PV - Weight: 610g - ERD: 542 - Tire Compatibility: Tubeless Compatible

- Unidirectional Toray T700 carbon fiber construction - Available in multiple widths for Cross Country, All Mountain, and Downhill applications - Reinforced nipple bed with directional drilling - Hookless bead design - Tubeless ready - Disc brake only - ISO-Mountain certified - ISO: 584 - Wall: Dbl - Side: Disc - Valve: PV - Tire Compatibility: Tubeless Compatible All Mountain: - Profile: 29 - Width ID: 27 - Width OD: 32 - Weight: 410g - ERD: 541 Downhill: - Width ID: 32 - Width OD: 37 - Profile: 31 - Weight: 450g - ERD: 545 Cross Country: - Width ID: 24 - Width OD: 30 - Profile: 26 - Weight: 370g - ERD: 550

- Unidirectional Toray T700 carbon fiber construction - Available in multiple widths for Cross Country, All Mountain, and Downhill applicarions - Reinforced nipple bed with directional drilling - Hookless bead design - Tubeless ready - Disc brake only - ISO-Mountain certified - ISO: 622 - Wall: Dbl - Side: Disc - Valve: PV - Tire Compatibility: Tubeless Compatible All Mountain: - Width ID: 27 - Width OD: 32 - Profile: 29 - Weight: 440g - ERD: 578 Downhill: - Width ID: 32 - Width OD: 38 - Profile: 31 - Weight: 500 - ERD: 584 Cross Country: - Width ID: 24 - Width OD: 30 - Profile: 26 - Weight: 390g - ERD: 587

- Carbon rims available in two different profile heights featuring improved brake tracks - Toray T700 carbon in both Unidirectional and 3k carbon weaves for strength and integrity - Tubeless compatible rim bed with an 18mm internal width supports wider modern road tires Specs: - ISO: 622 - Width ID: 18 - Width OD: 25 - Wall: Dbl - Side: MSW - Valve: PV - Tire Compatibility: Tubeless Compatible High Profile: - Profile: 50 - Weight: 500g - ERD: 545 Low Profile: - Profile: 38 - Weight: 470g - ERD: 569

- Unidirectional Toray T700 carbon fiber construction - Reinforced nipple bed with directional drilling - Titanium reinforced bead hook - Available in 2 profile options - Tubeless ready - Disc brake only - ISO-Road certified - ISO: 622 - Width ID: 17.5 - Width OD: 25 - Wall: Dbl - Side: Disc - Valve: PV - Tire Compatibility: Tubeless Compatible High Profile: - Profile: 50 - Weight: 500g - ERD: 545 Low Profile: - Profile: 38 - Weight: 460g - ERD: 569

• Size: 26 x 4.0 • ISO: 559 • Double Wall Construction • Non-machined Side Wall • Color: Black • Drill: 36 • Weight: 1,579 grams • Width: 100mm • Rim depth: 29.5mm

• Size: 26 x 4.0 • Double wall construction • Non-machined sidewall • Color: Black • Drilling: 32 or 36 • Width: 65mm • Depth: 21mm

• Size: 26 x 4.0 • Double wall construction • Non-machined sidewall • Color: Black • Drilling: 32 or 36 • ERD: 534 • Width: 80mm • Depth: 24.5 • Weight: 1,310 grams (32-hole), 1,294 grams (36-hole)

Origin-8's DNZ18 is a lightweight 700 x 22c aero aluminum clincher rim. It has machined sidewalls for great braking and the spoke holes are reinforced with eyelets for durability.

- 42mm DEEP DISH sleeved and pinned rim - Powder coated (PC) or Anodized finish(Ano) dependent on color - Available with Machined or Non-Machined sidewall - 760g

Litehouse Rim - Super-thick angled sidewalls to minimize the risk of damage when you hang up - Wider cross-section to compliment modern tire widths for an optimized assembly

As a proud descendant of MA2, MA40 and MA3, Mavic’s Open Elite is the perfect blend of successful Mavic rim features. It balances durability, weight, and price to provide you with a road riding experience that has all you need and nothing you don’t.

HED Belgium G alloy rims make any custom wheel build that much sweeter. With 30mm external and 25mm internal widths, you can add tire volume, smoothness, and rolling speed to any bike or hub set. All Belgium rims feature a welded rim joint, and are drilled for a standard presta valve. Spoke drilling is down the centerline of the rim (not offset). Please carefully read the specifications below to find out detailed information on the different rims we offer. 700c - Tire Type: Clincher (tubeless compatible) - Rim Width (External): 30mm - Rim Depth: 24mm - Hole Counts: 24, 28, 32 - Color: Black - Brake Track: N/A - Wheel Size: 700c - Weight: 453 grams - Max Pressure: 80psi - ERD: 592mm 650B - Tire Type: Clincher (tubeless compatible) - Rim Width (External): 30mm - Rim Depth: 24mm - Hole Counts: 28 and 32 - Color: Black - Brake Track: N/A - Wheel Size: 650b - Weight: 426 grams - Max Pressure: 80psi - ERD: 555mm

HED's entire line of Big Deal fat rims can now be purchased as a rim-only for the custom build of your dreams. Our demanding, discerning, and fat-loving customers have spoken: They love our Big Deal carbon rims. Nothing else offers the same combination of easy tubeless setup, stiffness, and jaw-dropping weight savings. They're utterly fat-tastic. In an effort to bring the advantages of Big Deal technology to an even wider audience, our engineers worked hard to apply the same principles to an aluminum platform. Enter: the Big Aluminum Deal! At 80mm wide, this rim offers superb fit with all common fat bike tire sizes. It has the same patented Inflatobam tubeless technology as its carbon brethren - saving over a pound in inner tubes alone. Note: The B.A.D. has a 26" diameter, so if you're looking for 27.5" fats, head to the B.H.A.D. Additional Info - Rim Type: Tubeless-Ready Clincher - Rim Width: 80mm - Rim Material: 6061 Aluminum - Rim Weight: 630g (26") - Color: Black - Rim Hole Count: 32 - MIN/MAX TIRE SIZE: 3.8 - 5.0" - Drill Pattern: Symmetrical Only - Decal Type: Shadow - Rim ERD: 586 (27.5"), 562mm (26"), 510mm (24")

HED's entire line of Big Deal fat rims can be purchased as a rim-only for the custom build of your dreams! Big Deal is 445 grams and 85mm-wide of pure fat-bike joy. This one-piece, full-carbon rim will change the way you ride. Big Deal utilizes a ribbed, single-wall design to maximize stiffness and minimize rotational weight…all on a tubeless-ready platform. Compared to most aluminum fat bike wheel/tire combinations in the market today, you can expect to lose 1.5 to 2 pounds… per wheel. Note that the Big Deal is drilled symmetrically ONLY and cannot accommodate offset frames. Big Deal utilizes Inflatobam, HED's patented tubeless technology for installing big tires. The twin channel rim design provides a better pre-inflation seal by trapping each tire bead against the rim. This drastically reduces the amount of air it takes to get the beads to “bam” into place. In conjunction with the rim shape, Inflatobam utilizes Inflatobands. These effectively provide a variable rim-channel diameter. This compensates for the discrepancies in tire bead diameters by minimizing the gap between the tire and the rim channels (the main source of air leaks). Once seated, the angled bead shelf prevents the tire from collapsing back into the rim at low pressure. Our interior surfacing and tight tolerances ensure no tire burp or slip. Also note that our rim shape does not require tire levers to remove and install tires. Inner tubes may be used, too. Additional Info - Rim Type: 85mm - Rim Material: Carbon - Rim Weight: 445g - Color: Twill Weave - Rim Hole Count: 32 - Drill Pattern: Symmetrical Only - Decal Type: White - MIN/MAX TIRE SIZE: 3.8 - 5.0" - Rim ERD: 564 (includes washer)

HED's entire line of Big Deal fat rims can now be purchased as a rim-only for the custom build of your dreams. Our demanding, discerning, and fat-loving customers have spoken: They love our Big Deal carbon rims. Nothing else offers the same combination of easy tubeless setup, stiffness, and jaw-dropping weight savings. They're utterly fat-tastic. In an effort to bring the advantages of Big Deal technology to an even wider audience, our engineers worked hard to apply the same principles to an aluminum platform. Enter: the Big Aluminum Deal and Big Half Aluminum Deal. At 80mm wide, these rims offer superb fit with all common fat bike tire sizes. They have the same patented Inflatobam tubeless technology as their carbon brethren - saving over a pound in inner tubes alone. What's the difference between the B.A.D. and the B.H.A.D.? Only the rim diameter. The B.A.D. has a 26" diameter, while the B.H.A.D. is made for larger 27.5" fat bike tires. Additional Info - Rim Type: Tubeless-Ready Clincher - Rim Width: 80mm - Rim Material: 6061 Aluminum - Rim Weight: 695g - Color: Black - Rim Hole Count: 32 - MIN/MAX TIRE SIZE: 3.8 - 5.0" - Drill Pattern: Symmetrical Only - Decal Type: Shadow - Rim ERD: 586 (27.5"), 562mm (26"), 510mm (24")

HED's entire line of Big Deal fat rims can be purchased as a rim-only for the custom build of your dreams! Thus far, our Big Deal fat rims and wheels have won the hearts of cyclists around the world. What if that's not enough for you? What if we told you that we now have an even BIGGER deal than before? Enter: The Big Half Deal (B.H.D.). This is a special, larger diameter version of our beloved 85mm-wide carbon Big Deal rim. With a 27.5-inch size, it's smack-dab-HALF-way between a 26" wheel and a 29" wheel. If you have a new-fangled 27.5" fat bike, this is THE performance rim choice. Like other Big Deals, the B.H.D. is tubeless ready with our patented Inflatobam technology. Tech Notes 1. Do NOT use tire levers on B.H.D. rims! 2. Specific to our Big Deal line of carbon rims: If you choose to ride these rims on regular dirt trails (e.g. NOT in soft snow or sand), wider tires and higher air pressure will decrease the chance of rim damage from striking an obstacle. We strongly recommend an honest assessment of your ride style. For the BHD, use 8psi minimum on groomed snow, or 10psi minimum on dirt and rocks - both with a minimum tire size of 3.8". Additional Info - Rim Width: 85mm - Rim Material: Carbon - Rim Weight: 465 grams - Color: Twill Weave - Rim Hole Count: 32 - Drill Pattern: Symmetrical Only - Decal Type: White - MIN/MAX TIRE SIZE: 3.8 - 5.0" - Rim ERD: 589 (includes washer)

Someone said a few years ago that there was nothing new left to do with BMX rims, yet since then GSport has gone on to do quite a lot of new stuff, and here’s an example of the latest. At first glance the Birdcage looks like a fairly conventional “aero” style rim, but there is more to it than that. The first clue comes from the name; birds have hollow bones to save weight whilst retaining as much strength as possible, and the Birdcage rim has a hollow bead for the same reason. The rim’s hollow bead is still big and chunky to help reduce the chances of pinch puncturing or flat spotting the rim, but by creating a tiny hollow cavity inside it GSport can also keep the weight right down. The next innovation was to adapt their cross-lacing design to the narrow inner wall of the rim. They managed to squeeze a few extra millimeters of spoke offset out of the design to help increase lateral wheel strength, and by carefully tailoring the rim’s cross-section we managed to match all the angles to the nipple so that the walls of the rim section act like the ribs inside the Ribcage rim, which helps to support the spoke nipples as much as possible. Traditionally, the greatest flaw in “aero” rims has been the valve hole. “Aero” rims position a lot of very efficiently utilized mass in the base of the rim to support the spokes and give the rim good strength, then a huge hole is drilled through it for the valve stem and a massive weak-spot is created. With the Birdcage GSport has offset the valve hole so that this section can retain its strength. A handy side-effect of this is that fitting a pump is now more convenient. Aside from these original features, GSport spent a lot of time “sweating the small stuff”. They’ve ensured that the deep center allows for easy tire removal and fitting, and they've made sure that the sidewalls, while slimmed down, are still suitable for brake use. The end result is one of their most high tech rims to date. With a weight of just 408g (14.4oz) it outperforms most rims weighing 20-30% more, and the weight saving from the rotational mass of the wheel feels fantastic. TECHNICAL SPECIFICATIONS - Sizes: 20" Only - Drillings: 36 hole - Weight: 408g / 14.4oz - Width: 34mm ERD: 383mm

- Braking surface: Disc - Rim weight: 445g - Finish: Black Anodize/Vinyl Decals - Type: Tubeless-ready clincher - Rim material: EA90 aluminum/welded - Rim depth: 27mm - Internal rim width: 19.5mm - External rim width: 24mm - Spoke holes: 28; 32 - ERD: 580 - Max tension: 1200 N/122 KGF

- Braking surface: Machined aluminum - Rim weight: 455g - Finish: Black Anodize/Vinyl Decals - Type: Tubeless-ready clincher - Rim material: EA90 aluminum/welded - Rim depth: 27mm - Internal rim width: 19.5mm - External rim width: 24mm - Spoke holes: 24, 28, 32 - ERD: 580 - Max tension: 1200 N/122 KGF