With stable shifting performance guaranteed by the SHIMANO SHADOW RD design

Linear resistance boosts workout intensity to match each pedal stroke and gear click

Fits inside handlebars with 15

Secure bottle design—no drop guarantee

Roller Bearing Clutch controls chain tension for consistent shifting

Shimano TIAGRA CN-4601 10-Speed Chain Silver closeout With stable shifting performance guaranteedSuper Narrow Hyperglide (HG) series 10 speed compatible directional chain, recommended for Tiagra drivetrainsChain uses a directional design with specifically shaped inner and outer plates to optimise shifting over the chainset and cassetteOuter plate design has been developed to reduce the chance of chain suckThe inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedalling,