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

BR-RX400-F

A6-SL Super Butted Aluminum

1 310mm & 350mm Link Segments on 1300mm Lubed Liner

we learned that simple wasn’t just better for elite athletes

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?