e*Thirteen Helix Race 12-Speed Cassette - Grey Size_700x32c Remarks w/Bumper on pully cage

Remarks w/Bumper on pully cage Compatible chain HG 12-speed Total capacity 41T B-axle_Hollow axle ✔ Mount_Direct attachment (Conventional) ✔ Fluoric coated link bushings 7 Low sprocket_Max

sturdy and quiet

Available in a rainbow of colours

A6-SL Super Butted Aluminum

Up to 28 hours battery life in long endurance mode

e*Thirteen Helix Race 12-Speed Cassette - Grey Size_700x32c Remarks w/Bumper on pully cageHELIX RACE 12 SPEED CASSETTE MOST RANGE. CROSS COMPATIBLE. e*thirteen expanded drivetrain possibilities for every rider with our original 9 50T Helix Race Cassette with 533% gear range. Our proprietary 9t sprocket and patented two piece construction gave riders an unprecedented ability to build the drivetrain of their choice. Now, weve built on that winning formula and added a 52T sprocket for an eye watering 578% total range. Love to grind climbs?