- Function:
A 2-gear planetary transmission integrated into the bottom bracket, designed to tackle steep slopes and challenging terrains. - Key Features:
- Provides a transmission ratio of 2.5:1, enabling efficient climbing on slopes up to 17%.
- Compact and lightweight, making it ideal for e-bikes and cargo bikes needing additional climbing capability.
- Cranks included for easy setup and installation.
- Application:
Perfect for riders looking to enhance their bike’s climbing ability while maintaining a smooth pedaling experience, particularly on steep hills or with heavy loads.
Vello Schlumpf Mountain Drive (not mounted), with Cranks
From $688.85
This item is currently out of stock at Propel's warehouses, but we can place an order for you directly from the manufacturer. Please allow additional processing time for this order. Orders are subject to 4% processing fee upon cancellation/refunds. Please Contact us for more precise timeline