The New Shimano Ultegra 6701 chain uses redesigned inner and outer plates which increases contact with gear teeth for improved power transfer and shifting under load. New shaped outer plate reduces chain suck on chain ring New shaped inner plate for smoother rear shifting. Enhanced press-in construction for stable shifting. 10-speed. Wt.: 267g.
Asymmetric design with redesigned inner/outer plates virtually eliminate chain suck and improve contact with the cassette sprockets for smoother, noiseless shifting under heavy loads
Reshaped outer plate is perforated to reduce weight and chain suck
Reshaped inner plate lessens drivetrain friction for smoother rear shifting
Enhanced press-in construction offers stable shifting action