Mid Drive Controller Replacement for BBS01B BBS02B OLD Version Electric Cycle Mid Drive Conversion Controller black

Mid Drive Controller Replacement for BBS01B BBS02B OLD Version Electric Cycle Mid Drive Conversion Controller black.Feature: 1. COMPATIBLE MODEL: Adapt to the old version for BBS01B BBS02B mid drive controller, need to confirm your controller version in advance. 2. PREMIUM MATERIAL: Electric cycle mid drive controller is made of premium aluminum material, high hardness, sturdy and erosion resistance, long service life. 3. EASY TO INSTALL: Mid drive controller replacement wiring interface can be