e*thirteen Helix Race 12-Speed 13-52T Cassette - Intergalactic Size:13-52 So grab a brew and

So grab a brew and nerd out on the design deep dive below that we think makes our Monarch grips the new Kings of Control

From speedlock to caliper 75cm

textured rubber base holds on tight to smooth surfaces

Justice™

Ultra-distance racing

e*thirteen Helix Race 12-Speed 13-52T Cassette - Intergalactic Size:13-52 So grab a brew andAt 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