KMC X-Flat Silver/Black - WAXED - SRAM Flattop 12/13 Speed Chain imp 17T range provides a wider

17T range provides a wider range front gearing

Extra-long

The PES P515 power meter employs high precision strain gauges & acceleration sensors

The chain is made of special steel

320 TPI Cotton Corespun casing for unmatched ride quality

KMC X-Flat Silver/Black - WAXED - SRAM Flattop 12/13 Speed Chain imp 17T range provides a widerThe KMC X Flat chain is specially designed for modern 12 and 13 speed SRAM drivetrains. It combines high shifting precision with durable materials. The result is a fast, efficient and durable drivetrain ideal for ambitious riders who want to combine function and design. Features Nickel Plated Silver coating treated with GO WAX chain wax compatibility: 12 13 speed derailleurs* dimensions: 1 2" x 11 128" length: 126 links Nickel Plated Silver Black