Brake disc minimum thickness: when “still legal” isn’t good enough
The number cast on the disc is a floor, not a target. Here is how to measure properly and when to replace early.
Car & motorbike parts wholesale · Birmingham
Wholesale spares for independent garages, bike workshops and home mechanics across the UK. Order by 4pm, Monday to Friday, for next-working-day delivery.
Shop by category
Motorcycle
Popular with the trade
RS-BD-1101 · RS Pro
Fits Ford Focus Mk3
RS-BP-2101 · RS Pro
Fits Ford Focus Mk3, Ford Transit Custom
RS-OF-3101 · RS Pro
Fits Ford Fiesta Mk7, Ford Focus Mk3
RS-SK-3501 · RS Pro
Fits Ford Focus Mk3
RS-TK-4401 · RS Pro
Fits Volkswagen Golf Mk7, Volkswagen Transporter T6
RS-CK-7101 · RS Pro
Fits Yamaha MT-07
RS-MP-8101 · RS Pro
Fits Yamaha MT-07, Kawasaki Ninja 650 +2 more
RS-EO-9101 · RS Pro
ACEA C3 · 5W-30
For garages, workshops & fleets
Chains, sprockets & brakes
RS-CK-7101 · RS Pro
Fits Yamaha MT-07
RS-CK-7102 · RS Pro
Fits Triumph Street Triple 765
RS-CK-7105 · RS Trade
Fits Honda CBR125R, Yamaha YBR125
RS-CH-7201 · RS Pro
Universal fitting
How ordering works
Search by part name or SKU, or pick your make and model to see only what fits.
Volume pricing is applied in your basket. Pay by bank transfer or on your trade account.
Orders are picked and packed at our Birmingham warehouse. Tracking goes out by email.
Next-working-day delivery to UK mainland addresses, or collect from the trade counter.
Workshop notes
The number cast on the disc is a floor, not a target. Here is how to measure properly and when to replace early.
520, 525 and 428 aren’t model numbers. A quick guide to reading chain sizes and getting the gearing you want.
Two oils can share a viscosity and still be wrong for the same engine. How to read the label properly.