What bottom bracket size does the Bafang BBS02 750W fit?

It fits bottom bracket widths of 68–73mm.

What is the power rating of the Bafang BBS02 750W?

The Bafang BBS02 750W is rated at 750W.

What comes included with the Bafang BBS02 750W?

The Bafang BBS02 750W comes with: Bafang BBS02 Stock Controller (9-FET) (integrated). These components are automatically added to your build when you select this product.

Bafang BBS02 750W

Name: Bafang BBS02 750W
Brand: Bafang
Availability: InStock

Bafang Mid-Drive Motor

Find Compatible Components

Bafang's BBS02B is the most popular aftermarket mid-drive conversion motor worldwide. The 750W (48V) version produces 100 Nm of torque and roughly 1200W peak, driving the chain through a 1:21.9 two-stage helical reduction with a 44T chainring. It has an integrated 9-FET (trapezoidal/square-wave) controller, a 12-magnet cadence PAS ring, and uses the Bafang UART display protocol. Fits standard 68/73mm threaded bottom brackets; IPX5 water resistance.

In brief: 750W mid-drive motor. Fits 68–73mm bottom bracket. 48–52V rated. From $375 across 3 sellers.

Specs verified Jul 26, 2026

Where to Find

Prices tracked across 5 sellers

Luna Cycle

$375.00

Electrify Bike

$499.00

Checked 6h ago

AliExpress - IEBIKE Motor Battery Store

$521.21 + free shipping

Amazon

Check seller for price

EM3ev

Out of stock

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Price History

Price changes tracked by the crawler

+ Shipping- Coupons

Current best price $375.00. Over the past 90 days: low $375.00, high $521.21, average $463.61 — down 19% vs average.

Electrify Bike
EM3ev
Luna Cycle
AliExpress - IEBIKE Motor Battery Store

All Records

36 price records in this period

Date	Price	Shipping	Total	Change	Coupon	Rating	Sales	In Stock	Status
AliExpress - IEBIKE Motor Battery Store(2 records)
Jun 23, 202601:11 AM	$521.21	$0.00	$521.21	$0.00	—	—	—	Yes	active
Jun 23, 202601:11 AM	$521.21	—	$521.21	Initial	—	—	—	Yes	active
Electrify Bike(25 records)
Jul 26, 202609:00 AM	$499.00	—	$499.00	$0.00	—	—	—	Yes	active
Jul 24, 202607:41 PM	$499.00	—	$499.00	$0.00	—	—	—	Yes	active
Jul 21, 202604:14 PM	$499.00	—	$499.00	$0.00	—	—	—	Yes	active
Jul 20, 202612:15 PM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jul 9, 202603:47 PM	$499.00	—	$499.00	$0.00	—	—	—	Yes	active
Jul 7, 202604:21 PM	$499.00	—	$499.00	$0.00	—	—	—	Yes	active
Jul 5, 202603:54 PM	$499.00	—	$499.00	$0.00	—	—	—	Yes	active
Jul 3, 202603:01 PM	$499.00	—	$499.00	$0.00	—	—	—	Yes	active
Jul 1, 202603:45 PM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 29, 202604:56 PM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 27, 202603:38 PM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 25, 202610:01 AM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 23, 202609:58 AM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 21, 202610:48 AM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 19, 202603:00 PM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 17, 202610:37 AM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 15, 202602:11 PM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 13, 202602:12 PM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 12, 202609:31 AM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 3, 202605:55 PM	$499.00	—	$499.00	$0.00	—	—	—	No	active
Jun 2, 202605:42 PM	$499.00	—	$499.00	$0.00	—	—	—	No	active
May 31, 202605:27 PM	$499.00	—	$499.00	$0.00	—	—	—	No	active
May 30, 202612:49 PM	$499.00	—	$499.00	$0.00	—	—	—	No	active
May 27, 202609:55 AM	$499.00	—	$499.00	$0.00	—	—	—	No	active
May 20, 202611:45 AM	$499.00	—	$499.00	Initial	—	—	—	No	active
EM3ev(1 record)
Jul 7, 202610:33 PM	$489.00	—	$489.00	Initial	—	—	—	No	active
Luna Cycle(8 records)
Jul 7, 202610:33 PM	$375.00	—	$375.00	$0.00	—	—	—	Yes	active
Jul 1, 202609:05 AM	$375.00	—	$375.00	$0.00	—	—	—	Yes	active
Jun 25, 202609:11 PM	$375.00	—	$375.00	$0.00	—	—	—	No	active
Jun 24, 202609:26 AM	$375.00	—	$375.00	$0.00	—	—	—	Yes	active
Jun 21, 202609:01 PM	$375.00	—	$375.00	$0.00	—	—	—	No	active
Jun 3, 202609:43 PM	$375.00	—	$375.00	$0.00	—	—	—	Yes	active
Jun 3, 202610:33 AM	$375.00	—	$375.00	$0.00	—	—	—	Yes	active
Jun 2, 202607:15 PM	$375.00	—	$375.00	Initial	—	—	—	No	active