105 CS-R7101 12 Spd. Wheels X-Comfort Zone: Ventilated expandable zone

X-Comfort Zone: Ventilated expandable zone to accommodate a variety of feet widths and prevent numbness

STX protective gear delivers an anatomically contoured

Low battery status is indicated by rapidly flashing sidelights

Adhesive back for easy installation

Butterfly Kong Linghui FL Racket: A box set is named after one of the best players of our generation

105 CS-R7101 12 Spd. Wheels X-Comfort Zone: Ventilated expandable zoneA 12 speed cassette range that brings versatility to any rider or road From sprinting on the flats to climbing steep inclines, the 11 34T cassette has you covered. It is compatible with both SHIMANO 11 speed and 12 speed FREEHUB bodies. FEATURES: Refined 12 step gear combination provides peak efficiency and accelerating performance for every situationCompatible with new 12 speed and road 11 speed FREEHUB body Product Specifications: MODEL NO CS R7101