e*thirteen Helix Race 12-Speed 13-52T Cassette - Grey Size:13-52 Offered in a wide range

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

Release angle: 16° cleats (included)

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

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

e*thirteen Helix Race 12-Speed 13-52T Cassette - Grey Size:13-52 Offered in a wide rangeAt 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