The BBB Bosch E-Bike Sprocket BCR-70E is a replacement chainring for all Bosch GEN2 E-Bike systems, giving you the capability to replace or change the gearing ratios on your Bosch equipped E-Bike. The lock ring is included and it allows an optional chainline offset of 2.5mm for Boost 148mm, as well as being compatible with standard 135/142mm frames.
Customize your Bosch Gear Ratios
A perfect upgrade if you find yourself running out of gears while going downhill, or if you find yourself using the smaller sprockets on your cassette often. A high-quality manufacturing and hardening process ensures the BBB Bosch E-Bike Sprocket BCR-70E is extremely wear-resistant and more durable than the original Bosch chainring.
BBB Bosch E-Bike Sprocket BCR-70E Specifications
14,15,16,17,18,19 & 20 tooth options
Compatible with Bosch systems.
Hardened steel for longer durability.
Optional chainline offset of 2.5mm for Boost 148mm.
Lock ring included.
Compatible with: single, 8, 9, 10, and 11-speed.
E-bike specific: This product complies with the NEN-EN 15194:2017 regulations for e-bikes.
In the rare event that you find an identical product offered by another authorized Canadian retailer at a lower price we would be pleased to price match their price + offer you an additional 10% of the difference. Click here for our policy details.
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