SRAM Red 22 Rear Derailleur B-Bolt Kit CheckoutSpec= 700X40 } An ultra compact weatherproof

} An ultra compact weatherproof seat bag

Not compatible with HG 11sp road cassettes

providing a more supple feel at the top of the travel

Rings 42Number of Chainrings Chain Retaining SingleDrivetrain Speeds 12Drivetrain Speeds 13Chainring 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 BlackCrank Length (mm) 175Crank Intended Use RoadCrank Intended Use GravelBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Black

Madshus also added the REDline 2

SRAM Red 22 Rear Derailleur B-Bolt Kit CheckoutSpec= 700X40 } An ultra compact weatherproofSRAM Red 22 Rear Derailleur B Bolt Kit. Upper Bolt and Spring kits for SRAM rear derailleur maintenance and repairs.