Bafang BBSHD BBS02B Nylon Motor Gear - Custom CNC Machined Replacement Part
Standard shipping included
Quality issue support
Fast & reliable support
Secure payment
Standard shipping is included in the price of listed standard-size products. Contact us for expedited shipping or delivery arrangements for custom or oversized orders. Returns are accepted for quality problems under our refund policy, without limiting applicable statutory rights.
- BBS01B-BBS02B - $68.65
- BBS03-BBSHD - $68.25
PRODUCT DETAILS
🔧 Is Your Bafang Motor Gear Failing?
Grinding noise? Slipping under load? "Peanut butter" stripped teeth?
Get back on the road with our precision CNC machined nylon replacement gear - engineered for perfect fit and extended lifespan.
Product Overview
(±0.001")
High-Strength
BBS03/BBSHD
No MOQ
Choose Your Motor Model
✓ BBS01B-BBS02B Variant ($68.65)
- For: Bafang BBS01B (250W-350W) and BBS02B (500W-750W)
- Check motor marking: Must show "BBS01B" or "BBS02B" on casing
- Application: Standard commuter and recreational e-bikes
✓ BBS03-BBSHD Variant ($68.25)
- For: Bafang BBS03 and BBSHD (1000W+)
- Check motor marking: Must show "BBS03" or "BBSHD" on casing
- Application: High-power off-road and performance builds
Technical Specifications
| Manufacturing Process | CNC Precision Machining |
| Material Grade | PA6 or PA66 Nylon (High-Strength Engineering Plastic) |
| Dimensional Tolerance | ±0.03mm (±0.001 inch) |
| Surface Finish | Smooth machined finish for quiet operation |
| Operating Temperature | -20°C to 100°C (-4°F to 212°F) |
| Expected Lifespan | 6-12 months with proper usage (avoid high-torque starts) |
Why Choose BeePlastic?
No Minimum Order
Order 1 piece or 1,000 - same precision, same quality. Perfect for DIY repairs or OEM production.
Industrial-Grade Precision
Our CNC machining services deliver ±0.03mm accuracy - critical for smooth gear meshing.
Custom Manufacturing Available
Need different tooth count, material grade, or dimensions? We offer custom gear manufacturing with no MOQ.
Fast Global Shipping
Free standard shipping worldwide. Most orders ship within 3-5 business days. Need it faster? Email beeplastic@beeplastic.com for expedited options.
Why Nylon for E-Bike Motor Gears?
80% quieter than steel gears during operation
Acts as sacrificial component to prevent expensive motor damage
Reduces maintenance and extends component life
Lower rotating mass improves efficiency and range
Explore our complete Nylon PA6/PA66 materials collection for other mechanical projects.
Installation & Maintenance
Installation Time: 1-2 hours (requires motor disassembly)
Tools needed: Allen keys, screwdrivers, grease
Extend Gear Lifespan - Follow These Tips:
- ✓ Shift before power: Always change gears BEFORE engaging motor to avoid high-torque starts
- ✓ Monitor temperature: Avoid prolonged climbs at maximum power (overheating weakens nylon)
- ✓ Proper lubrication: Use high-temperature grease during installation
- ✓ Correct chainring size: Smaller chainrings (42T-44T) reduce gear stress vs. larger rings (52T+)
- ✓ Avoid water crossings: Minimize deep water exposure to prevent premature wear
Need Custom Plastic Gear Solutions?
BeePlastic offers comprehensive custom manufacturing for plastic gears across industries:
CNC Milling
Complex gear profiles, multi-axis machining
CNC Turning
Cylindrical gears, rotational components
Cut-to-Size
Precision cutting of nylon stock materials
50+ engineering plastics available: PEEK, POM, ABS, Delrin, PTFE, and more. We optimize material selection based on your load, speed, temperature, and chemical requirements.
Common Questions
How do I verify compatibility with my motor?
Step 1: Check the model marking stamped on your motor casing
- If it says "BBS01B" or "BBS02B" → Select BBS01B-BBS02B variant
- If it says "BBS03" or "BBSHD" → Select BBS03-BBSHD variant
- If it says "BBS01" or "BBS02" (no "B") → These gears won't fit, contact us
Step 2: Still unsure? Email a photo of your motor markings to beeplastic@beeplastic.com
What's the difference between PA6 and PA66 nylon?
PA66: Higher heat resistance (up to 110°C), better for high-power motors (BBSHD 1000W+)
PA6: More cost-effective, sufficient for standard motors (BBS01B/BBS02B 250W-750W)
We select the appropriate grade based on your motor model. Contact us for specific material requests.
Can you make custom gears for other motor brands?
Yes! We manufacture custom plastic gears for all motor types. Send your requirements to beeplastic@beeplastic.com:
- CAD file (DWG, DXF, STEP, IGES)
- Sample photo with dimensions
- Specifications (tooth count, module, material preference)
We provide quotes within 1 business day and can produce prototypes in 7-14 days.
What are your shipping options and costs?
FREE standard international shipping on all orders (5-10 business days to most countries)
Expedited shipping available: Contact us for 2-5 day delivery options (additional fees apply based on destination)
Tracking provided: You'll receive tracking information once your order ships
What if the gear doesn't fit or has quality issues?
Quality Guarantee: All products undergo strict dimensional inspection before shipping
Returns accepted: If you receive a defective or incompatible gear, contact us within 30 days
Resolution: We'll provide a replacement or full refund for legitimate quality issues
Ready to Fix Your Bafang Motor?
✓ In Stock - Ships within 3-5 business days
Need custom specifications? Request a quote →
REVIEWS
SHIPPING & RETURNS
Shipping
Standard shipping is included in the price of listed standard-size products. For expedited shipping, custom or oversized orders, or a delivery deadline, contact us to confirm available arrangements and any additional charges before ordering. See our shipping policy for details.
Returns and quality problems
Our voluntary return policy covers quality problems; we do not offer change-of-mind returns. This does not limit applicable statutory rights, including withdrawal rights for eligible consumer purchases. For the return process and eligibility, see our refund policy.
If an item is defective, damaged or incorrect, email beeplastic@beeplastic.com with your order number, a description and clear photos. Please contact us before shipping an item back.
CUSTOM FABRICATION
Can't Find the Right Size or Specification?
Send your drawing or dimensions, material grade if known, quantity and intended use. We review feasibility and confirm the specification for each quoted project.
Project Requirements
Identify the critical dimensions, tolerances, surface finish and inspection requirements. Any required food-contact, ESD, flame-retardant or other compliance documents should be specified so availability can be checked. Material names alone do not establish these properties.
Custom Order Process
Submit the requirements for review. The quotation will identify the agreed specification, quantity, production lead time and inspection requirements. Shipping method, shipping charges and tax responsibilities are confirmed separately from production timing. Approve the final quotation and specification before ordering.
Send Your Drawing or Requirements
Use the enquiry form to send your project details and a file link, or email drawings to beeplastic@beeplastic.com. Include the product and specification. If the material grade or tolerance is uncertain, describe the intended use for review.
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