Race Disc Rear Hub

The Race Disc Rear Hub easily converts from 135mm quick release to 142x12mm thru-axle compatibility with the use of 2- 17mm wrenches and 5mm allen key, and will accept Shimano/SRAM 11, Campagnolo 11, or SRAM XX1 cassettes. Hubs come with a selected cassette body and axle standard installed; and includes the alternate axle for future conversions.  Additional cassette bodies/types are available separately.  Shimano 11 cassette body includes a spacer for use with 8/9/10 speed systems.  Campagnolo 11 cassette body includes a lockring. 




Velocity Hub Dimensions


Location: Rear

Weight: QR: 269g | 12mm: 279g

O.L.D.: 135mm 142mm

Drive Interface:
Campagnolo 8/9/10/11
Shimano/SRAM 8/9/10/11

Cassette Body Part #:

cb77-sh-4 (Shimano 11) | cb77-ca-4 (Campagnolo 11) | cb77-xd-4 (SRAM XX1)

Disc Interface: 6 bolt

Sealed Cartridge, 6902(4)

Axle Interface: Quick Release (10mm) 142x12mm thru-axle

Axle Part Number:

a77 (axle) | a77-135 (135mm caps) | a77-142 (142x12mm caps)


24 spoke: Black.

28 spoke: Black.

32 spoke: Black. Silver.

36 spoke: Black.

MSRP: $330

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Product #: h77-xx | h75-32