Product Overview
Right Crank Arm for CSC FT1000MD Mid-Drive E-Bike | Bafang M620 Ultra Motor Compatible
Engineered for extreme torque demands, this precision-machined right crank arm delivers reliable power transfer for CSC's flagship FT1000MD mid-drive e-bike. Designed to withstand the Bafang M620 Ultra motor's massive 160Nm of torque, it ensures secure drivetrain integration and optimal alignment under high-load conditions.
Technical Specifications:
| Compatibility | CSC FT1000MD (Wasabi) with Bafang M620 Ultra Motor |
| Motor Fitment | All Bafang M620 versions (BBSHD lineage) |
| Length | 170mm (e-bike optimized) |
| Spindle Interface | Horizontal square taper JIS standard |
| Construction | Forged aluminum alloy (torque reinforced) |
| Pedal Threads | 9/16" standard (steel insert reinforced) |
Key Features & Benefits:
- Torque-Ready Design: Forged alloy construction handles 160Nm+ loads from Bafang Ultra motors without flex or fatigue.
- Motor-Specific Compatibility: Precision-fit for Bafang M620 (Ultra) mid-drive spindle interfaces - replaces stock FT1000MD crank.
- Chainline Integrity: Maintains exact OEM chainring positioning for smooth power delivery and reduced drivetrain wear.
- Impact Resistance: Reinforced pedal threading prevents stripping under high-stress starts or off-road use.
- Corrosion Defense: Hard-anodized finish withstands trail debris, weather, and frequent cleaning.
Compatibility Notes:
- Designed specifically for CSC FT1000MD with Bafang M620 motor
- Fits all Bafang Ultra mid-drive systems (BBSHD lineage) with square taper interfaces
- Not compatible with hub-drive e-bikes or non-Bafang mid-drives
- Verify left/right orientation before installation (sold as right-side only)
Critical Installation Notes:
⚠️ Directional Warning: Right crank arms install clockwise onto the drive-side spindle. Incorrect orientation causes catastrophic failure.
⚠️ Torque Specification: 35-40Nm on crank bolt using thread-locking compound. Professional installation strongly recommended.
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