SRAM - ETAP/AXS Battery Works with front or rear derailleur. Always keep an extra battery in your saddle bag or spare parts kit. The charger for SRAM eTAP and AXS is a super simple docking station style of charger
With its BEAM SPIDER construction, the new SHIMANO DEORE XT M8100 12-speed cassette shaves weight while increasing SHIMANO The Shimano Deore XT CS-M8100 12-speed cassette is optimized with rider-tuned wide range and