CN-M8100 XT/Ultegra 12 Spd. Girl's and a convenient external access

and a convenient external access zippered pocket for keys and/or phone

Improve circulation and perform at your best

as well as a quick release and wheel guides for easy wheel removal and replacement

FOR REAR 7/8-SPEED

and the result of this is an incredible reduction in hand fatigue

CN-M8100 XT/Ultegra 12 Spd. Girl's and a convenient external accessThe M8100 chain provides enhanced chain retention thanks to an extended portion of the inner plate. The new chain features quick link assembly and SIL TEC treatment for extended offroad durability. Proprietary design ensures smooth shifts and strength Extended inner plate improves chain engagement and retention DYNAMIC CHAIN ENGAGEMENT+ Compatible with 12 speed drivetrain Easy connection (SM CN910 12) Non reusable Quick assembly tool QUICK LINK