Carbon-Ti X-CarboRing 34 x 110 (4 Arms) Chainring Rear Derailleur;Parts Perfectly designed to fit 68mm

Perfectly designed to fit 68mm and 73mm bottom bracket shells

Presta valves can be easily replaced with the Clik Valve conversion Set

Training wheels for kids 12" or 16" bikes

Antibacterial & pH Neutral: With its antibacterial properties and pH-neutral soaps

and robust construction for serious cyclists

Carbon-Ti X-CarboRing 34 x 110 (4 Arms) Chainring Rear Derailleur;Parts Perfectly designed to fit 68mmChainring in aluminium alloy AL7075 T6, 3K glossy structural carbon fiber with Titanium Grade 5 pins. Inner gear with 34 teeth and BCD 110mm 4 arms. Compatible with Shimano Dura Ace FC 9100 and 9000, Ultegra FC 8000 and FC 6800 or SRM Origin cranksets and Shimano, SRAM and Campagnolo 11 12 speed groups. Compatible with X Carboring EVO 50 x 110 DA9200 (4 arms), X Carboring EVO 50 x 110 DA9100 (4 arms), X Carboring EVO 50 x 110 (4 arms) and previous