axle and end caps for rear 6-bolt Boost 148mm hubs – screw-on


Axle and end cap kits for Boost 6-bolt rear hubs.

Available in 12x148mm and QRx141mm versions. QR 141 or “Boost 141” is used on some Trek and Scott bikes. Most other bikes with Boost width dropouts will use the 12x148mm option.

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These axles are spares to fit our rear Boost 148mm hubs. They don’t convert other hubs to Boost 148 size.