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Bottom Bracket Repairs in London

Expert Bottom Bracket Repairs & Replacements

The bottom bracket is the heart of your bike's drivetrain. Creaking pedals? Rough cranking? Our Kennington, London mechanics handle all types including threaded, press-fit, and Shimano Hollowtech systems.

All BB Types
Press-Fit Specialists
Creak Diagnosis
Crank Removal

All prices shown are for labour only. Bottom brackets and bearings are charged separately.

Bottom Bracket Pricing

BB adjust loose bearings £5
BB replace external (Shimano) £15
BB replace standard £15
BB replace press fit £25
BB service (cup & cone) £15
BB facing/chasing £25
Crank arm replace £10
Chainset replace £15
In-Store Service Only

Bottom bracket repairs require in-person diagnosis. Walk in anytime during opening hours. No appointment needed!

Repair Prices Book a Service

Specialist Tools

Professional BB removal and installation tools

Creak Diagnosis

We'll find and fix that annoying noise

Quality Parts

Premium bearings and BB units in stock

Core Component

Bottom Bracket Repairs & Replacement in London

The Heart of Your Drivetrain

The bottom bracket connects the cranks to the frame and lets you transfer pedalling power to the drivetrain. When bearings wear, you'll typically hear creaking or clicking under load, feel roughness when spinning the cranks by hand, or notice side-to-side play. These symptoms worsen over time and can damage the frame's bottom bracket shell if ignored.

Diagnosing Bottom Bracket Noise

Not every creak comes from the bottom bracket. Pedals, saddle rails, seatpost clamps, and chainring bolts can all mimic BB noise. We systematically check and eliminate each potential source before recommending a replacement, so you don't spend money on parts you don't need.

Standards We Work With

Modern bikes use a variety of standards including threaded BSA and Italian, press-fit BB86, BB92, PF30, and BB30, as well as older square taper and Octalink systems. We stock and fit bottom brackets from Shimano, SRAM, and aftermarket brands, selecting the right unit for your frame and crankset.

When to Replace Your Bottom Bracket

Bottom brackets typically last two to five years depending on riding conditions. London's wet, gritty roads shorten bearing life, especially on bikes without good frame sealing. Once bearings feel rough or develop play, replacement is straightforward and restores smooth, silent pedalling.