The Madera Helm Spline Drive sprocket is manufactured from 7075 Aluminum in the USA. This sprocket requires no sprocket bolt. Instead, it has a hardened CrMo steel insert in that matches up to the 48 splines on the BB axle for pure, direct power transfer. Work on 19mm spindles only.
Seen this cheaper elsewhere? We price match any legitimate competitor! For a price match to be accepted, the item has to be identical and be in stock and available for purchase at our competitor. We will notify you by email of the decision when reviewed within 24hours but usually much sooner
- Express, Next Day Shipping Available!
- Free Standard Shipping Over $199.99*
- Shipping from Just $4.95
- Standard Shipping Never more than $19.95
- 90 day returns
- Free Gifts with all orders
- *Mainland USA only