Item D21-38, weight 380g/410g, ERD 569mm. This 38mm depth clincher tubeless ready rim with a 21mm internal channel that can accommodate larger tires and ensure the rider maximum comfort on races and long rides.
DetailsItem D21-50, weight 425g / 460g, ERD 545mm. Featuring a wide 28mm external rim width, this tubeless ready 50mm clincher rim set offers a wide and stable platform for everything from road bike to gravel bike tires.
DetailsItem D24-28HX (GZX28), weight 350g, ERD 589mm. This new hookless asymmetric 29er gravel bike carbon rim with wider 24mm inner width, more lightweight than hook version but without compromising stiffness and strength.
DetailsItem D24-38H (GZX38), weight 380g, ERD 569mm. The GZX38 was designed with one goal in mind: making the best rim possible for long distance gravel racing or riding. With a massive 24mm inner width, this rim provides a stable profile for even the widest gravel tires.
DetailsItem D22-40X, weight 390g, ERD 565mm. New 2.5mm offset asymmetric 29er/700C 40mm depth clincher rim, born for light gravel & road bike disc brake wheel. It's tubeless ready, compatible wider tire for comfortable ride, accompany you to conquer the rugged terrain.
DetailsItem XC930X-25, weight 365g, ERD 595mm. Wide 30mm internal width and 3mm offset asymmetrical rim profile, super light at 365g, suitable for XC rider who is looking for wide but light 29er XC bike carbon wheelset.
DetailsItem D24-34, weight 390g, ERD 577mm. With a massive 24mm inner diameter, the D24-34 gravel bike rim provides a stable profile for even the widest gravel tires. 34mm deep is enough to provide aerodynamic help when riding alone across gravel plains.
DetailsItem D29-40, weight 450g, ERD 565mm. 700C gravel bike 29mm internal width 40mm depth clincher rim, tubeless ready platform has 29mm internal width, fit for very wide tires from 35mm to 55mm.
Details
Dear All, We would like to inform you that our office and factory will be closed for the Chinese New Year holidays from February 14 to 23, 2026. Normal operations will resume on February 24, 2026. Dur...
Item No.:
Extralite-MTB-BOOSTHub:
Extralite Hyper BoostSpoke:
Sapim CX-Ray, blackNipple:
Sapim alloy, blackRim:
Carbonal mtb carbon rimsLacing:
F - Radial & 3 cross, R - 3 crossHole:
28 / 28Brake:
Disc brakeLevel:
Pro RacingStandard:
EN standardProduct Item: Extralite boost hub + Sapim CX-Ray spoke custom mtb carbon wheels.
Extralite hubs are absolute performance, sturdy, precise and incredibly light, they are some of the lightest in the industry and should be considered if you are looking to build that special ultra-light, limited use, race-event bicycle wheels.
Hub:
Extralite HyperBoost hub, weight: front - 76g, rear - 162g;
Axle size: 15 x 110mm, Rear - 12x148mm;
Material: Aluminum;
Brake interface: Disc 6 bolts;
Freehub body: Shimano MTB 11SP or Sram XD;
Hole: Front 28, Rear 28;
Color: black.
Spoke:
Sapim CX-Ray, straight pull, black;
*Website: Sapim spoke.
Nipple:
Sapim alloy, black.
Lacing:
Front wheel - radial & 3 cross;
Rear wheel - 3 cross.
Rim:
Carbonal mountain bike carbon rims: XC / Trail / Enduro / Downhill / Plus. Light, strong, stiff and durable.
Weight:
Hub: 238g/set;
Spokes + nipples: 255g;
Weight without rims: 493g.
Rim model vs Complete wheel weight:
|
Model |
Rim type |
Rim weight / pc |
Wheelset weight (±5%) |
Max weight limit |
|
MX730XC |
27.5" hookless 23.5mm deep x 30/24.5mm wide |
300g |
1093g |
100kgs |
|
MX930XC |
29" hookless 23.5mm deep x 30/24.5mm wide |
320g |
1133g |
100kgs |
|
MX732XC |
27.5" hookless 25mm deep x 32/26mm wide - asymmetric |
310g |
1113g |
100kgs |
|
MX932XC |
29" hookless 25mm deep x 32/26mm wide - asymmetric |
330g |
1153g |
100kgs |
|
MX732TR |
27.5" hookless 25mm deep x 32/26mm wide - asymmetric |
370g |
1233g |
115kgs |
|
MX932TR |
29" hookless 25mm deep x 32/26mm wide - asymmetric |
390g |
1273g |
115kgs |
|
MX735TR |
27.5" hookless 23.5mm deep x 35/29mm wide |
390g |
1273g |
115kgs |
|
MX935TR |
29" hookless 23.5mm deep x 35/29mm wide |
410g |
1313g |
115kgs |
|
MX742TR |
27.5" hookless 25mm deep x 42/36mm wide |
410g |
1313g |
115kgs |
|
MX942TR |
29" hookless 25mm deep x 42/36mm wide |
430g |
1353g |
115kgs |
|
MX735EN |
27.5" hookless 23.5mm deep x 35/29mm wide |
440g |
1373g |
125kgs |
|
MX935EN |
29" hookless 23.5mm deep x 35/29mm wide |
460g |
1413g |
125kgs |
|
MX738EN |
27.5" hookless 23.5mm deep x 38/31mm wide |
480g |
1453g |
125kgs |
|
MX938EN |
29" hookless 23.5mm deep x 38/31mm wide |
500g |
1493g |
125kgs |
|
MX742EN |
27.5" hookless 25mm deep x 42/36mm wide |
460g |
1413g |
125kgs |
|
MX942EN |
29" hookless 25mm deep x42/36mm wide |
480g |
1453g |
125kgs |
|
MX750 |
27.5" hookless 25mm deep x 50/43mm wide |
470g |
1433g |
140kgs |
|
MX950 |
29" hookless 25 deep x 50/43mm wide |
510g |
1513g |
140kgs |
* Complete wheel weights are subject to a ±5% variance.
* Each wheelset will ship with: spare spokes, nipples; freehub spacer for 10 speed cassettes.
* All our mtb rims are tubeless ready.
* If you can't find the specs you need, please contact us directly to see what we can do, we will do our best to help you.
Choose your favorite carbon mtb rim model, leave a message below with the rim model number to get a best quote for your next mtb carbon wheelset!
Related Gallery and Comments:
>>> Extremly-satisfied-with-the-xc-wheelset-i-bought-for-my-selves
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U shape 700c road wider 38mm deep bicycle wheel tubular rim
Item RT38S, weight 320g/360g, ERD 569mm. 700c road wider 38mm bicycle wheel tubular rims are super light and with wider width, the strength is much improved. It's the best choice for light weight road bicycle wheels.
Pro 20 inch 451 22.5mm wide 24mm depth carbon fiber clincher rim
Item BMX45101, weight: 310g±10, ERD 426mm. This 20" clincher rim with 15.5mm internal width can fit tyres from 1.1" to 1.4". It's light, stiff and strong for training and racing.
Enduro 29 inch mtb 37mm wide asymmetric rim hookless tubeless ready
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