Shimano Acera CS-HG41 Cassette 8S 11-32 drumbeat21-591 strap on a heart rate

strap on a heart rate monitor

then center dipped in Park Tool blue vinyl for a positive grip

- Drives out excess moisture

- 7075 Aluminium machined valve stem

The included SP-14-RA bracket is compatible with modern aero seatposts

Shimano Acera CS-HG41 Cassette 8S 11-32 drumbeat21-591 strap on a heart rateThe HG41 8 offers SHIMANO's HYPERGLIDE shifting across its 8 speed range and features a lighter weight compared to previous generations. It includes enlarged sprocket window designs for improved performance. It is compatible with both IG and HG chains. High quality 8 speed cassette Precise and consistent HyperGlide shifting performance. Hyper glide sprockets have a computer designed tooth configuration with contoured shift gates Sprockets are cut away