42T Anti-Drop Chainring for Bafang BBS01B / BBS02B Motors

42T Anti-Drop Chainring for Bafang BBS01B / BBS02B Motors – CNC Ergal 7075 Made in Italy

Upgrade your Bafang e-bike motor with this 42-tooth anti-drop chainring made from Ergal 7075, specifically designed for Bafang BBS01B and BBS02B mid-drive motors.

This Narrow-Wide (anti-drop) chainring features alternating wide and narrow teeth to provide excellent chain retention and a significantly improved chainline compared to the stock Bafang chainring. The result is a smoother, quieter and more reliable ride, even under heavy load.

The chainring is dished with a 9 mm offset, optimizing drivetrain alignment versus the original Bafang offset (5.4 mm). CNC-machined from solid material, it guarantees outstanding strength, precision and long-term durability.

Fully designed and manufactured in Italy, it features a black anodized finish for a clean, aggressive and premium look, clearly superior to the standard OEM chainring.

Key Features

• Narrow-Wide anti-drop tooth profile for maximum chain security
• Improved chainline for Bafang mid-drive motors
• CNC-machined Ergal 7075 aluminum
• 9 mm offset for optimized drivetrain alignment
• Lightweight and extremely durable
• Made in Italy

Technical Specifications

• Motor compatibility: Bafang BBS01B / BBS02B
• Tooth count: 42T
• Material: Ergal 7075 aluminum
• Color: Black anodized
• Offset: 9 mm
• Weight: 147 g
• Version: 2025 model

Drivetrain Compatibility

✔ Compatible with:

• 1–11 speed drivetrains (most chains)
• SRAM Eagle 12-speed

✘ Not compatible with:

• Shimano 12-speed
• KMC X101

Ideal For

• MTB, trekking and urban e-bikes
• Performance upgrades for Bafang motors
• Riders looking for reliability, precision and Italian design

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