Wolf Tooth Bosch Gen 4 Direct Mount Chainring
Best premium upgrade for electric bike riders seeking superior chain retention.
This is the upgrade your e-bike drivetrain is begging for if you’re tired of dropped chains on technical climbs. By ditching stock components for this precision-machined ring, you gain rock-solid chain retention and smoother power transfer. It’s a simple, durable swap that turns a finicky motor setup into a reliable trail machine.
$89.95
at
Tree Fort Bikes
Who it's for
- Aggressive mountain bikers riding rough trails without a chain guide
- Weight-conscious e-bike riders seeking high-performance component upgrades
- Mechanically minded riders wanting a clean, bolt-on installation
Who should skip it
- High-mileage commuters prioritizing long-term part longevity over weight savings
- Budget-focused cyclists looking for the most economical repair option
- Home mechanics who prefer avoiding specialized proprietary tool purchases
Performance breakdown
Chain Retention
Proprietary tooth profile locks the chain in place on rough descents.
Build Quality
Precision-machined aluminum offers exceptional durability for high-torque e-bike motors.
Weight Efficiency
Lightweight construction minimizes rotating mass without sacrificing structural integrity.
Installation Ease
Direct mount interface simplifies swapping components on Bosch Gen 4 systems.
Power Transfer
Rigid design ensures every watt from the motor reaches the drivetrain.
Trail Longevity
High-grade materials withstand the intense wear typical of aggressive e-MTB riding.
Key Specs
Material
7075-T6 Aluminum
Mounting Type
Direct Mount
Mounting Standard
Bosch Gen 4
Tooth Profile
Drop-Stop B and Drop-Stop ST
Compatible Speeds
9, 10, 11, 12-speed
Weight
91 grams
Tooth Count
34
Manufacturing Origin
USA
Chainline
55mm
Know before you buy
Still have a question?
Ask Metto anything about the Wolf Tooth Bosch Gen 4 Direct Mount Chainring before you decide.
