![Helix/Spring Shim Tss 04](http://cyclemaxparts.com/cdn/shop/products/7353-572a641cc98a2.jpg?v=1699677660&width=1000)
Helix/Spring Shim Tss 04
Features:
- Helps maintain peak RPM at extreme elevations
- Improves backshift at high elevations and in very steep conditions
![Helix/Spring Shim Tss 04](http://cyclemaxparts.com/cdn/shop/products/7353-572a641cc98a2.jpg?v=1699677660&width=1000)
Helix/Spring Shim Tss 04
Sale price$6.95
Regular price (/)
Features: