e*Thirteen Helix Race 12-Speed Cassette - Black Variant:9-52T 3x7 speed hydraulic disc brake

3x7 speed hydraulic disc brake

Projects a 360° red warning light to ensure all-around visibility and keep you safer on the road

6’’ – 2

Mineral oil won't harm painted finishes

Never miss a turn with voice turn-by-turn cues

e*Thirteen Helix Race 12-Speed Cassette - Black Variant:9-52T 3x7 speed hydraulic disc brakeHELIX 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?