Instead of a zippered opening

Measure trainer at the widest setting and measure the bike frame width at the rear hub

Boulder - all years

It's an ideal choice for modern trail bikes that have a long front center and wide bars

They rolled out their own private label Sta-Tru and Speed Tuned lines of hubs

Sram GXP PF30,386-EVO GXP 92mm Bottom Bracket giant Instead of a zippered openingA variant of the external bottom bracket, PressFit cuts weight and provides easier installation by allowing you to press the bearing cups into the frame instead of threading them. There's no change to the crank spindle length and diameter remain the same. PressFit cuts weight Easier installation by allowing you to press the bearing cups into the frame GXP compatible Easy installation