Dear All, We are thrilled to invite you to the 2025 Eurobike Bicycle Show, taking place from June 25 to 29, 2025, in Frankfurt, Germany. As one of the leading bicycle industry events, Eurobike provide...
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!
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