42T Chainring for Bafang BBS01B/BBS02B(250-750W) Mid-Drive Motor - 11mm Anti-Drop Offset | Integrated Impact-Resistant Guard | Lightweight 7075 Alloy | ≤12-Speed Compatible

Crafted for cyclists who demand precision and durability, our CNC-machined chainring delivers unmatched power transfer and smooth shifting for BAFANG BBS01 BBS02(250-750W) e-bike kit.Engineered from lightweight, aircraft-grade aluminum alloy, this chainring strikes the perfect balance between strength and weight savings, ensuring optimal performance on steep climbs, rapid sprints, and long-distance rides.

• 42T Optimal Gearing for Speed & Climbing: 42-tooth design balances urban speed and off-road climbing, 30% lighter than stock 44T (266g vs 374g).
• 11mm Offset: 11mm offset expands chain clearance, works well with ≤12-speed cogset systems.
• Impact-Resistant Chain Guard: Reinforced edges offer 360° protection against rocks and impacts, safeguarding motor and frame.
• Aircraft Aluminum + Anodized Durability: 7075-T6 alloy matches steel strength, with anodized layer for corrosion resistance in wet/salty conditions.
• Applicable for Bafang BBS01/02 Motors(250-750W): Designed for seamless integration with stock components, supporting Shimano/SRAM ≤12-speed.