e*thirteen Helix Race 12-Speed 13-52T Cassette - Grey Size:13-52 Photo: 1/8000 - 120s

Photo: 1/8000 - 120s

keeping sweat at bay or for a bit of extra warmth on chilly rides

which makes the chain run even more quietly and with less resistance

Offered in a wide range of colors that match RockShox's fork decal packs

New tooth profiles for improved wear

e*thirteen Helix Race 12-Speed 13-52T Cassette - Grey Size:13-52 Photo: 1/8000 - 120sAt e*thirteen, we're always striving to bring something new to the table. That's why we created the Helix cassette line to offer unparalleled cross compatibility without sacrificing performance. As e bikes have become more popular, we set out to engineer a close ratio cassette specifically for them. Enter the Helix Race 13 52T a 12 speed close ratio cassette specifically engineered for steep terrain where climbing speeds are high and descents are