E-Bike Chainrings Bosch Gen 3 Replacements
E-Bike Chainrings Bosch Gen 3 Replacements
- Brand:ESJOT
- Product Code: 19-17120-xx
- Availability: In Stock
$58.00
$65.00
EBike Chain Rings

Front Chainring Sprocket – Direct Mount for Bosch Gen 3 E-Bike Motors
Upgrade your e-bike’s performance with this high-quality MADE IN GERMANY front drive sprocket designed specifically for Bosch Gen 3 motors. Whether you’re chasing higher top speeds or tighter manoeuvrability, this chainring helps you fine-tune your ride to match your riding style. Engineered for durability, it offers an extended lifespan of over 3,500 km.
Compatible with Bosch Gen 3 motors, including:
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Bosch Active Line (MY2018 and newer)
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Bosch Active Line Plus (MY2018 and newer)
Chain compatibility:
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1–8 speed: 1/2 ” x 3/32 ”
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9–12 speed: 1/2” x 11/128 ”
Specifications:
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38 Teeth Steel
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Chainline: 47.5 mm or 50.0 mm
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Outer diameter: approx. 160 mm
Perfect for e-MTBs, commuter e-bikes, and custom-builds.
Tags: Bosch Gen 3, E-Bike Chainring, Front Sprocket, Direct Mount Chainring, Bosch E-Bike, E-Bike Parts, E-Bike Accessories, Bosch Motor, Chainring Upgrade, E-Bike Drivetrain, Electric Bike Components, Bosch Gen3, Chainring Replacement, E-Bike Gear, E-Bike Performance, Bosch Compatible, E-Bike Spare Parts, E-Bike Maintenance, Bosch Chainring, E-Bike Front Gear


