e*Thirteen Helix Race 12-Speed Cassette - Grey Variant:9-52T 25" XXXL (12) 10

25" XXXL (12) 10

Bonded Sleeve Cuff​

filling in all of the crevices of the metal with highly lubricious and wear-resistant tungsten disulfide particles

Do not attempt to refill container

e*Thirteen Helix Race 12-Speed Cassette - Grey Variant:9-52T 25" XXXL (12) 10HELIX 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?