Sunrace RD-R37 6/7 speed silver/black rear derailleur 21.7x11.4x8.3 Foldable Kevlar aramid bead with

Foldable Kevlar aramid bead with added Bead Shield provides extra reinforced protection throughout the bead

& T47 12x52 -02: Includes Pro BB Socket Cup

Weight: 949g

Rings 50/37Number of Chainrings DoubleDrivetrain Speeds 12Chainring BCD Direct Mount SRAM 8-BoltChainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor CarbonCrank Length (mm) 170Crank Intended Use RoadBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Carbon

Length 303 Color Black Compressed Gas Inflator No Includes Mount Bracket No Includes Gauge No Defined Color Black Valve Compatibility Presta and Schrader PSI 35

Sunrace RD-R37 6/7 speed silver/black rear derailleur 21.7x11.4x8.3 Foldable Kevlar aramid bead with6 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