Helix Race 12-Speed 13-52T Cassette Color:Grey with an 800mm width that's

with an 800mm width that's adjustable to 760mm

and chain retaining performance

we bring our mountain bike racing heritage to bear and create wheels with the optimal blend of performance and reliability

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Helix Race 12-Speed 13-52T Cassette Color:Grey with an 800mm width that'sMORE POWER. OPTIMAL CADENCE. At 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