CAMPAGNOLO RD21 EKAR 1x13 CRANKSETS Compatible with 1x (=50T) and

Compatible with 1x (=50T) and 2x (=42T) drivetrains

Ergopower internals couple with the longer rod and one-piece steel cage to ensure precise and reliable shifting

Disc brake adapter for converting Centerlock Road hubs to 6-bolt disc

5mm stainless steel die-pulled and polished superslick brake cables with electrolysis coating and SRAM/Shimano compatible heads for both MTB and Road applications

CAMPAGNOLO RD21 EKAR 1x13 CRANKSETS Compatible with 1x (=50T) andEKAR 13 speed derailleur is custom designed to work specifically in conjuction with the EKAR drivetrain One specific function allows it to be fine tuned for optimal performance Parallelogram 2D trajectory designed to work flawlessly with larger cog jumps and EKAR cassettes Redesigned mechanical clutch system works to absorb chain shock on any terrain Differentiated pulleys offer better control and retention of the chain