woom OFF / OFF AIR cassette 9s-40

This high-quality cassette complete with SunRace lock ring can be added to our woom OFF/OFF AIR 5 and 6 mountain bikes to help tackle steep stretches.


High-quality cassette incl. lockring supplied by our partner SunRace, with small ratio jumps designed for a wider range of gradients for even more challenging off-road cycling.

- Compatible with: woom OFF / OFF AIR 5 and 6
- Teeth: 11-40
- Ratio spacing: 11-13-15-18-21-24-28-34-40
- Coated black
- Weight: 498 g
- Special tool required to replace cassette.