Summer maintenance: restoring your bike after a Canadian winter

Spring thaw is when most Canadian cyclists return to the road. A bike that saw active winter use—or simply sat in an unheated garage—often shows wear or corrosion that deserves a full inspection before long rides resume.

A spring check is not a formality: a corroded brake cable can fail without warning, and a chain stretched to 0.75% can wear cassette cogs within a few hundred additional kilometres. This guide covers the steps in the logical order of a full tune-up.

1. General cleaning: the essential starting point

Before any inspection, clean the bike thoroughly. Salt on the frame and components can hide cracks, surface rust, or loose fasteners.

Deep-clean procedure

• Rinse the frame and components with lukewarm water (moderate pressure—avoid direct jets on bearings)
• Apply diluted degreaser to the drivetrain (chain, chainrings, cassette, derailleurs)
• Brush chainrings and cassette with a stiff-bristle brush
• Use a chain cleaning tool (e.g. Park Tool CM-25) to remove deposits between links
• Rinse with clear water and dry with an absorbent cloth
• Air-dry before lubricating

2. Chain and drivetrain inspection

The chain is the most stressed and least expensive component to replace. Checking wear in spring avoids damaging the cassette and chainrings, which cost much more to replace.

Measuring chain wear

Use a wear gauge (Park Tool CC-4, Shimano TL-CN42, or equivalent). Replace the chain if elongation exceeds 0.5% (11- and 12-speed groups) or 0.75% (7–10-speed groups). In Canadian winter conditions, that stretch sometimes appears in under 2,000 km.

Cassette and chainring condition

With the chain removed, examine cassette and chainring teeth. Hooked or wave-shaped teeth indicate advanced wear: a new chain will skip on those cogs. In that case, replace the chain and cassette together.

3. Brakes: spring replacement and adjustment

Winter riding accelerates brake wear. Rim brake pads in contact with wet, gritty rims wear two to three times faster than in dry summer. Disc pads often embed abrasive particles after a season on salted roads.

V-brake and cantilever pad check

Moulded wear grooves in pads act as indicators: when they disappear, replace the pad. Also check pad alignment on the rim—a misaligned pad causes uneven braking and rim damage.

Disc brake pads

For hydraulic brakes (Shimano, SRAM, Magura), friction material thinner than 0.5–1 mm (per manufacturer) needs immediate replacement. Metal-on-metal noise when braking means the pad is gone—the rotor may be damaged too.

Hydraulic bleed (if applicable)

After a winter season, hydraulic fluid (mineral oil or DOT, per manufacturer) may have absorbed moisture. An annual bleed is recommended for riders who rode heavily in winter. A lever that feels spongy after cleaning usually benefits from a bleed.

4. Cables, housing, and handlebar

Salt in housing can stick and greatly increase lever effort. When replacing, use quality housing with PTFE inner lining (Nokon, Jagwire CGX-SL) for the best corrosion resistance and lowest friction.

Cable replacement procedure

1. Loosen cable clamp screws on derailleurs and brake calipers
2. Remove old cables, noting housing routing
3. Cut new housing to exact length with a housing cutter (Shimano TL-CT12)
4. Install ferrules at housing ends
5. Thread new cables and tension correctly
6. Adjust derailleurs and brakes after installation

5. Bottom bracket, headset, and wheel bearings

Road salt and meltwater in bearing seats speed deterioration. A spring inspection catches worn bearings before they damage axles or bottom bracket shells.

Play test

For each pivot point, check lateral play:

• Headset: hold the front brake and rock the bike forward and back. Any knock indicates play to correct.
• Bottom bracket: grasp the cranks on each side and push sideways. Noticeable play means a worn bearing or axle.
• Hubs: lift each wheel and shake sideways. Persistent play needs cone adjustment (cup-and-cone hubs) or cartridge bearing replacement.

6. Tires: inspection and replacement if needed

After winter, inspect sidewalls and tread for cuts, bulges, or worn areas. A studded winter tire with missing studs often shows protruding steel wires—it should not be reused in summer.