Park Tool BBT-90.3 Press Fit BB Tool Bikecorp Wingflex: the shell's side edges

Wingflex: the shell's side edges flex and adapt to rider's inner leg movement

The 2-Way Fit profile allows you to mount either a clincher tyre or a tubular tyre

10T lowest sprocket realized by new FREEHUB body construction

double-butted

There are more than 70 individual carefully designed and engineered parts in the Ekar derailleur alone

Park Tool BBT-90.3 Press Fit BB Tool Bikecorp Wingflex: the shell's side edgesThe BBT 90. 3 Press Fit Bottom Bracket Bearing Tool Set is designed for installation and removal of bearings and bearing units used in BB90, BB92, Shimano press fit, SRAM press fit GXP, Race Face press fit and other press fit bottom bracket systems using 24mm or 22mm spindles. The BBT 90. 3 includes a bearing removal tool and two bushings, which are used in conjunction with a Park Tool Bearing Press to press the bearings into the bottom bracket shell.