--- product_id: 674694202 title: "Bafang BBS01B 36V 250W Mid Drive Motor Kit Electric Bike Conversion Kit for Mountain Bike Road Bike, Optional Downtube Battery, Max Downtube Battery, Rear Rack Battery" brand: "bafang" price: "¥10853" currency: JPY in_stock: false url: https://www.desertcart.jp/products/674694202-bafang-bbs01b-36v-250w-mid-drive-motor-kit-electric-bike store_origin: JP region: Japan --- # Optional downtube battery compatibility 250W mid-drive motor power Easy installation with standard JIS fit Bafang BBS01B 36V 250W Mid Drive Motor Kit Electric Bike Conversion Kit for Mountain Bike Road Bike, Optional Downtube Battery, Max Downtube Battery, Rear Rack Battery **Brand:** bafang **Price:** ¥10853 **Availability:** ❌ Out of Stock ## Summary > ⚡ Transform your ride, join the e-bike revolution today! ## Quick Answers - **What is this?** Bafang BBS01B 36V 250W Mid Drive Motor Kit Electric Bike Conversion Kit for Mountain Bike Road Bike, Optional Downtube Battery, Max Downtube Battery, Rear Rack Battery by bafang - **How much does it cost?** ¥10853 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/674694202-bafang-bbs01b-36v-250w-mid-drive-motor-kit-electric-bike) ## Best For - bafang enthusiasts ## Why This Product - Trusted bafang brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Riding Modes:** Switch effortlessly between electric assist and pure pedal power for fitness or speed on demand. - • **Reliable & Certified:** IP65 water resistance, CE & ROHS certified, backed by 1-year warranty and expert EU support. - • **Seamless Power Boost:** 250W mid-drive motor delivers smooth, efficient assistance for mountain, road, and commuter bikes. - • **Plug & Play Installation:** Fits standard JIS 68-73mm bottom brackets with minimal tools—get riding faster, no hassle. - • **Customizable Battery Options:** Choose from downtube or rear rack batteries to extend your ride without compromise. ## Overview The Bafang BBS01B 36V 250W Mid Drive Motor Kit is a versatile electric bike conversion solution designed for mountain, road, and commuter bikes. Featuring a powerful yet efficient 250W motor, it supports dual riding modes and fits standard JIS bottom brackets for easy installation. Compatible with optional downtube and rear rack batteries, it offers customizable power options. Certified for durability and backed by a 1-year warranty with EU-based support, this kit delivers a reliable, smooth, and eco-friendly ride upgrade. ## Description Core Data Position: Mid Motor Wheel Diameter (Inch): Optional Construction: Gear drive Rated Voltage (DCV): 36 n0 (Rpm): 83 Rated Power (W): 250 nT(Rpm): 78 Max Torque: 80 N.m Efficiency (%): 80 Pedal Sensor: Speed Shaft Standard: JIS Color: Black Weight (kg): 3.8 Noise Grade (dB): 55 Operating Temperature: -20-45 Function E-Brake: Yes Gearsensor Function: Yes Light Drive Capacity (DCV / W): 6 /3(max) Further Specifications Magnet Poles (2P): 16 Tests Certifications IP: IP 65 Certifications: CE / EN 14764 / ROHS Salt Spray Test Standard(h): 96 Packing List Motor: MM G340.250(BBS01B 250W) HMI: DP C18/750C/850C/C965/C961 EB-BUS Cable: EB 1T4 Throttle E-Brake Chain Wheel(44T/46T/48T/52T) Crank Lock Nut Speed Sensor ## Features - [Shipping & Warranty] --- Shipped by a way that the DDP(Delivered Duty Paid) service is included, usually 12-20 days deliver to most of EU address(Except islands). 1 year warranty and provide technical support & after-sales service in the Netherlands(DO NOT CHANGE the the connectors by yourself, especially the connectors to the battery, the BAFANG will not provide the warranty service). 24-hour online service. - [Easy Installation] --- Can be successfully installed into an electric bicycle in just a few time by only a few tools which can remove the crankset and the center shaft, as well as tools for installing this mid-drive motor. - [Standard JIS] --- Fit a standard JIS 68 - 73 mm bottom bracket (installing extra parts Gaskets as gifts), please see the installation image carefully. Suitable for mountain bike, road bike, commuter bike. This motor maybe can't be installed on fat tire bike. NOT recommended to apply this motor to bikes with carbon fiber frame in case of damaging the frame. - [Two riding mode] --- Electric bikes & pedal bicycle, faster traffic & physical exercise can be achieved at the same time. A not bad choice for cycling enthusiasts and those who do not want too fast traffic to transport or travel. This 250W motor is the lowest wattage motor of the Bafang BBS02B series, providing suitable power. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07CTG73BW | | ASIN | B07CTG73BW | | Brand Name | BAFANG | | Date First Available | 5 August 2021 | | Department | Men's | | Horsepower | 250 Watts | | Is Discontinued By Manufacturer | No | | Item Weight | 5500 Grams | | Item Weight | 5.5 kg | | Manufacturer | Bafang | | Manufacturer | Bafang | | Material Type | Carbon Fiber | | UPC | 755320235631 | | Voltage | 36 Volts | ## Product Details - **Brand:** BAFANG - **Voltage:** 36 Volts - **Horsepower:** 250 Watts - **Material:** Carbon Fiber - **Item Weight:** 12.13 Pounds ## Images ![Bafang BBS01B 36V 250W Mid Drive Motor Kit Electric Bike Conversion Kit for Mountain Bike Road Bike, Optional Downtube Battery, Max Downtube Battery, Rear Rack Battery - Image 1](https://m.media-amazon.com/images/I/71fmGseitJL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - Bafang BBS01B 36V 250W Mid Drive Motor Kit Electric Bike Conversion Kit for Mountain Bike Road Bike, Optional Downtube Battery, Max Downtube Battery, Rear Rack Battery - Bafang Mid Motor Gear Shift Sensor Conversion Accessories For Ebike Electric Bike BBS01 BBS02 BBSHD Mid Drive Motor Gear Cable 3 Pin Waterproof 24CM Cable - Zeekpowa Programming Cable for Bafang BBSHD BBS01 BBS02 Motor 8fun Electric Bike Motor Programming Cable for Mid Drive Motor 40 Inches --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/674694202-bafang-bbs01b-36v-250w-mid-drive-motor-kit-electric-bike](https://www.desertcart.jp/products/674694202-bafang-bbs01b-36v-250w-mid-drive-motor-kit-electric-bike) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-21*