e*thirteen Helix Race 12-Speed 13-52T Cassette - Black Size:13-52 The Mini Chain Tool securely

The Mini Chain Tool securely locks the chain into place at just the right spot

Bottom Bracket Shell Width: 61mm* to 73mm

carbon bodies and ceramic bearings

You never know what you’ll get on a gravel ride

Used in conjunction with an air compressor and hose

e*thirteen Helix Race 12-Speed 13-52T Cassette - Black Size:13-52 The Mini Chain Tool securelyAt 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