SRAM Apex AXS Shift-Brake System Size:Rear Brake - Left Hand The 4C is a layering

The 4C is a layering process using 4 separate rubber compounds within the same tread

Bottom Bracket Shell Width (mm): 68mm - 73mm

Braking power adjusted for entry level riders

Note: the DT Swiss Disassembly Tool required for dismantling the screwed tooth lock washer of the DT Swiss Ratchet EXP system (not included)

SRAM Apex AXS Shift-Brake System Size:Rear Brake - Left Hand The 4C is a layeringSmooth, powerful hydraulic braking meets wireless 12 speed shifting in the SRAM Apex AXS Shift Brake System an unbeatable combo at any level. An optimized hood shape fits all hand sizes for comfortable, controlled braking from the hoods and the drops. Shifting is as simple as it gets: one paddle for an easier gear, one for harder nothing extra, nothing distracting. Features AXS enabled for easy wireless setup, personalization and reliability eTap