e*thirteen Helix Race Cassette - 12-Speed 9-52t Bronze Weight-420 2mm Color Black Type 22

2mm Color Black Type 22

New fallen snow only +2C to +5C (36F to 41F)

Diameter 700C Brand Velocity Model A23 ISO 622 ID Width 18 Width OD 23 Profile 19

Durable rubber coating on steel links protects the bike frame

e*thirteen Helix Race Cassette - 12-Speed 9-52t Bronze Weight-420 2mm Color Black Type 22The e*thriteen Helix Race 12 speed 9 52t cassette is engineered to deliver precision shifting performance with an industry leading 578% gear range. The proprietary 9 tooth smallest cog combined with the 52t largest cog enables the use of a smaller chainring for improved clearance lighter system weight and a lower bail out gear ratio without high gear compromise. Seamless cross compatibility with Shimano SRAM and TRP 12 speed drivetrains Patented 2