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Upgrade your e-bike drivetrain with our Bosch e*spec Direct Mount Chainrings.
Our M3 narrow-wide tooth profile reduces weight without compromising on chain-retention. While the steel version is a direct OEM replacement, the premium aluminum versions provide cleaner aesthetics, lighter weight, and long-lasting performance perfect for when you're ready to upgrade from your original ring.
Looking for a 34T steel ring? Snag the updated one here: Bosch - Helix Core e*spec Chainring
Chainline
Steel: 52mm
Color
Black
Compatibility
Bosch CX Gen4 Motor
Material
7050 Aluminum
Mount
QuickConnectTM
Weight
Aluminum:
Frequently Asked Question
Guaranteed to be free from
defects in materials or workmanship
for 5 years after original purchase
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