Rear

This upgrade kit allows you to pair SRAM 11 speed mechanical shifters and 2x-specific Exact Actuation™ derailleur with a 12 speed eTap™ AXS™ cassette and 12 speed Flattop™ chain. You’ll gain all the advantages of greater gear range and closer gear ratios without the expense or weight of electronic shifting. Using a 2×12 Road Upgrade Kit gives you the following advantages: Greater gear range and/or closer gear ratios than 11 speed Lower cost than wireless electronic. Save $1786 on a Force™ disc build; $1170 saving on a Force™ rim brake build* Lower weight. Save 382g on a Force™ disc build & 222g on a Force™ rim brake build** No batteries to keep charged The reliability and serviceability of mechanical shifting