Online Bike, Running and Outdoor Store

How to change external bottom bracket cups?

Change external bottom bracket cups is not difficult and requires only one specific tool: a bottom bracket spanner.
Typical tools: 5mm Hex Wrench / Bottom Bracket spanner / Mallet / Grease

Changer ses roulements de pédaliers externes : étape 1

Step 1

Loosen the two left crank pinch bolts and remove arm cap.

Changer ses roulements de pédaliers externes : étape 2

Step 2

Lift the stop plate upwards with a screwdriver.

Changer ses roulements de pédaliers externes : étape 3

Step 3

Pull off left arm.

Changer ses roulements de pédaliers externes : étape 4

Step 4

Remove the chain from the chainring. Pull crankset to right to remove right arm. It's sometimes necessary to gently tap with mallet.

Changer ses roulements de pédaliers externes : étape 5

Step 5

Changer ses roulements de pédaliers externes : étape 6

Step 6

Unthread left side cup (Non-drive side) counterclockwise.

Changer ses roulements de pédaliers externes : étape 7

Step 7

Unthread right side cup (drive side) clockwise.

Changer ses roulements de pédaliers externes : étape 8

Step 8

Get the grime out and grease thread.

Changer ses roulements de pédaliers externes : étape 9

Step 9

Install correct spacers as needed (68mm bottom bracket shell: 1 spacer on left side, 1spacer on right side. 73mm bottom bracket shell: 1 spacer only on right side). Thread new cups clockwise into left side and counterclockwise into right side.

Changer ses roulements de pédaliers externes : étape 10

Step 10

Grease spindle surface and press right crank through right side.

Changer ses roulements de pédaliers externes : étape 11

Step 11

Place left arm on to spindle.

Changer ses roulements de pédaliers externes : étape 12

Step 12

Grease thread of arm cap and thread into spindle.

Step 13

Lift the stop plate downwards and tighten the two left crank pinch bolts.

ALLTRICKS NEWSLETTER

Sign up to receive the Alltricks Newsletter, special offers & discounts!

JOIN THE ALLTRICKS PELOTON

(1) Discount calculated on the lowest Alltricks price during the last 30 days before the start date of the promotion for this product (2) Price calculated on the lowest Alltricks price within 30 days before the sale offer. (3) Discount calculated on the lowest Alltricks price within 30 days before the clearance. (4) Terms and conditions apply. Valid on products sold and shipped by Alltricks. (5) GMT+1 timezone. (6) GMT+1 timezone, Credit Card and PayPal orders only. Until 6pm with Chronopost and until 3pm with other delivery methods. Valid only on all products sold and shipped by Alltricks. Excluding holidays. (7) Usual delivery time. (8) Usual amount of time to prepare your order. Valid only on all products sold and shipped by Alltricks. (9) Enter voucher code at the basket page. (10) For credit card payments between €80 and €6000. Valid in France mainland only on all products sold and shipped by Alltricks. (11) Credit Card and PayPal orders only. (12) A random security check will be made by Oney on some orders. This control takes 24h. (13) Unlimited free delivery with Alltricks Premium on all products sold and shipped by Alltricks. Valid in France only with: Chronopost relais and Chronopost domicile (Chronopost on on appointment excluded), Mondial relay, Colissimo and France Express. (14) Extra 10% off on all products sold and shipped by Alltricks. Valid 1 year. Voucher sent by email for your birthday. (15) Recommended retail price by the supplier (16) In january 2015. Determined by users, among E-commerce Websites available on the Trustpilot platform. (17) Excluding partners sellers products