The brake pivots on a road bike or MTB are constantly exposed to water, dust, mud and, in winter, road salt. As a result they seize: the lever returns slowly, braking feels less responsive and levers and calipers wear out early.
Servicing them takes 15 to 20 minutes and needs no dismantling. Simply clean the pivots, free them with a penetrating product and protect them with a thin coat of silicone.
What you will need
Important: Apply products only to pivots and axles. Nothing must reach the pads, rotor or rim braking surfaces, so cover them with a rag. Avoid aggressive solvents that dry out seals and damage paint.
Step 1
Recognise a seized pivot
Every cyclist knows the signs: the lever returns slowly after braking, you feel resistance or tight spots at the pivots, there is squeaking or rubbing, and the rim brake arms move less freely than before.
All of this means the lever or caliper pivots are clogged with dirt or partly locked by moisture and corrosion.
Step 2
Clean the pivots and levers
Start with a gentle wash so as not to damage the seals. Apply a mild bike wash to the moving parts of the lever and caliper, wait a few seconds and work over them with a soft brush. Rinse with clean water and wipe dry.
For hard-to-reach or grimy areas use WD-40 Smart Straw: the thin straw delivers product precisely, flushing out remaining dirt and driving off moisture.
Step 3
Free up the seized pivots
If the lever is still stiff or sticking, apply WD-40 Multi-Use Smart Straw precisely to the axle or pivot and leave it for 5 minutes to penetrate.
Then operate the lever or squeeze the mechanism by hand many times until the movement is smooth. Wipe off the excess. The remaining film protects the metal from moisture and corrosion.
Step 4
Lubricate without attracting dirt
To stop the pivots seizing again, apply a thin coat of WD-40 Specialist Silicone to the axles. It is water-resistant, does not attract dust and extends the life of moving parts.
One precise spray and a light wipe are enough. This is especially useful if you ride in wet weather or through mud.
Step 5
Stick to a service schedule
Service a road bike used for training or leisure at least twice a year, at the start of spring and autumn. On a mountain bike in the wet season, do it monthly or after every muddy ride.
After long storage in a garage, cellar or on a balcony over winter, always check the levers and calipers before your first ride.
Tip: Keep a pocket
WD-40 100 ml can in your saddle bag: if a lever starts to stick after rain, a quick spray on the pivot out on the road restores smooth action.
What next
Regular pivot care keeps your brakes responsive and saves levers and calipers from early replacement. Check cable tension and pad wear at the same time, and use WD-40 Specialist Silicone on rubber boots and cable outers.
These uses come from the experience of WD-40 users in many countries. Always follow the instructions and warnings on the product label.
More guides in «How to use».