Sunrace RD-R37 6/7 speed silver/black rear derailleur Model-Power Cage 8 Drop Bend Style Compact

8 Drop Bend Style Compact Cable Routing External Material Aluminum Width Measurement Center Width 44 Defined Color Black Clip-on Compatible No Length 44Cm

DUB-PWR spindle-based unit measures left side power to calculate total watts Proven Quarq reliability and accuracy Long battery life (400+ hours) to power a season of rides User replaceable AAA lithium battery DUB bottom bracket adds durability and simplicity Waterproof (IPX7 waterproof to 1 meter for 30 mins) Lightweight (less than 40g heavier than standard crankset) Wide chainline crankset for bikes with up to 700x45c or 27

The KMC DLC 10 Chain is perfectly designed for an outstanding riding experience

True one-finger braking is at hand

Durable composite body is durable and prevents scratching of expensive components

Sunrace RD-R37 6/7 speed silver/black rear derailleur Model-Power Cage 8 Drop Bend Style Compact6 7 speed road rear derailleur. Composite aluminum and steel construction. SHIMANO Equivalent RD A070 TECH SPECS 6 7sp 28 31 Short 2to1 SIL BLK 282g