Product Details
The Wolf Tooth Direct Mount Chainrings for Shimano E-Bike Motors are precision-machined to deliver durability, performance, and ideal chainline integration for Shimano electric bike systems. Designed with a fixed 55mm chainline, they are compatible with Boost and Super Boost bikes running Shimano EP8, E8000, and E7000 motor splines. These chainrings are built from 7075-T6 aluminum and machined in Minnesota, USA, ensuring lightweight strength and exceptional longevity.
Choose between two optimized tooth profiles:
- Drop-Stop B – Compatible with nearly all 9, 10, 11, and 12-speed chains except Shimano Hyperglide+
- Drop-Stop ST – Specifically designed for Shimano 12-speed Hyperglide+ chains only
Key Features:
- Electric Bike Motor Compatibility: Fits Shimano EP8, E8000, and E7000 motors for seamless electric mountainin bike drivetrain integration.
- 55mm Chainline: Optimized for use with Boost and Super Boost bikes, ensuring precise drivetrain alignment.
- Drop-Stop Tooth Profiles: Choose Drop-Stop B for broad chain compatibility or Drop-Stop ST for Shimano Hyperglide+ chains.
- High-Quality Construction: CNC-machined from 7075-T6 aluminum in the USA for maximum durability and performance.
- Not Compatible with Pivot Super Boost: Designed for wide compatibility but excludes Pivot bikes using Super Boost chainlines.
NOTE: These chainrings are not compatible with Pivot bikes using Super Boost chainlines.
| Specification | Detail |
|---|---|
| Drop-Stop B - Chain Compatibility |
All 9s, 10s, and 11s Chains 12s Chains: Connex Wipperman Campagnolo SRAM Eagle SRAM Road and Transmission (T-type) Flattop chains Not compatible with 12s Shimano HG+, 12s KMC, or 13s Campagnolo chains |
| Drop-Stop ST - Chain Compatibility |
12s Chains: Shimano HG+ 12s KMC Not compatible with all other chains |
| Weights | 32t • 107g | 34t • 116g |
| Material | 7075-T6 aluminum |
| Country of Origin | USA |