Sunrace RD-R37 6/7 speed silver/black rear derailleur Model-Power Cage Approved for aluminum driver body

Approved for aluminum driver body use as well as steel on both MTB and E-MTB applications

100mm - (Includes Upper Piston/Valve

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

Cleats included Cleat Interface Wellgo 98A Color Black Defined Color Black Pedal Body Material Aluminum Pedal Spindle 9/16" Pedal Type Dual Sided Clipless with Platform Spindle Material Chromoly

Sunrace RD-R37 6/7 speed silver/black rear derailleur Model-Power Cage Approved for aluminum driver body6 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