How to Clean and Recondition Dry-Rotted Bar Tape
Bar tape takes a beating. Every ride pushes sweat, sunscreen, dust and grime into the wrap, and after a couple of seasons the clean surface starts to feel sticky, chalky or simply loose. Cyclists across Brisbane, Sydney, Melbourne and Perth run into the same issue: a once-cushioned grip becomes brittle, fades unevenly, and starts flaking at the hoods or drops.
Australian conditions accelerate the wear. Summer UV ratings sit well above 10 in much of the country, and that radiation breaks down the cotton, polyester or polyurethane fibres that hold a wrap together. Add salt-heavy coastal breezes around Coogee or Glenelg, red dust on outback rides near Broken Hill, and the steady humidity of a Townsville wet season, and the adhesive under the tape begins to lose its grip long before the visible cloth gives up.
The good news is that light surface damage does not always mean a full re-wrap. With the right cleaners, a steady hand and a bit of patience, a tired roll of tape can often be rescued. The steps below walk through cleaning, lifting, treating and either reviving or replacing the wrap on a drop bar, and they apply whether you ride a weekend tourer, a carbon road racer or a commuter that lives in the shed.
Identifying the Damage Before It Gets Worse
Crumbling edges and discoloured patches are obvious, but the first warning signs are subtler. Run a gloved thumb along the underside of the drops and the front of the hoods. If the wrap feels stiff rather than springy, or the printed pattern has worn smooth, the fibres are starting to oxidise.
Pull the brake hood back gently and look at the junction where the tape meets the lever body. A dark ring of grime and a tacky strip of adhesive usually mean moisture is creeping in from sweat. In places like Darwin or Cairns, where humidity rarely drops below 60 percent, that moisture sits in the wrap day and night and turns to mould within a few months.
A light bleach smell, hairline cracks that show white when flexed, and tape that slips under braking pressure are all signs of dry rot rather than simple wear. Rot is a chemical breakdown of the adhesive and the cloth, and once it has set in the affected section cannot be glued back together. The aim then shifts from cleaning to replacing, with a careful job on the bar underneath to give the new wrap a clean base.
Tools, Soaps and Solvents Worth Having
Most of what you need is already in the kitchen or the laundry. A bowl of warm water, a few drops of mild dish soap, a soft microfibre cloth and an old toothbrush cover the everyday cleaning. For grime that has actually bonded to the cloth, a small spray bottle of isopropyl alcohol (around 70 percent) lifts body oils without bleaching colour out of cotton bar tape.
A can of citrus-based degreaser is useful if the wrap is synthetic, but reach for it sparingly. Polyurethane wraps on bikes sold through Reid Cycles and most local shop brands have a top coat that softens when soaked, so a light mist and a quick wipe is plenty. Avoid methylated spirits on coloured tape; the dye in many cotton wraps, particularly the cork-blended rolls, bleeds badly under strong solvents.
Other small items worth gathering before starting: a plastic scraper or an old bank card, a roll of finishing tape, a fresh set of bar plugs, two short Velcro straps and a steady bench vise or a mate to hold the bike. Masking tape is handy too, both for labelling the brake and gear cables as they come off and for holding the new wrap tight while the adhesive grabs.
Stripping the Old Wrap Without Scratching the Bar
Set the bike in a stand or hang it by the saddle so the front end floats clear. Shift the rear derailleur to the smallest cog to slacken the cable, then move through every gear so the housing is loose. This gives slack to unhook the gear cable from the bar-end plug if the bike uses internal routing that exits at the drop.
Unwind the finishing tape from each end by peeling it back along the grain rather than across it. If the wrap itself feels crunchy, warm it first with a hair dryer on low; the adhesive softens enough to lift without tearing into shreds. Slide a plastic scraper under the edge and ease the tape off in long, slow strips, keeping tension toward the rear of the bike to avoid yanking the brake hood out of shape.
Watch for the small pieces of self-adhesive film that sometimes stay stuck to the bar. A rag with a touch of isopropyl alcohol removes the residue in a single pass. Stop frequently and feel the aluminium or carbon beneath the wrap. Any deep score or corrosion pit should be noted now, because a fresh roll of tape laid over a rough patch will wear through within a few long rides, particularly along the corrugated gravel of a Hunter Valley back road or a Monaro fire trail.
Preparing the Aluminium or Carbon Surface
A bar that comes out of an old wrap is rarely clean. There is usually a band of sweat residue near the hoods, a faint rust halo where the brake cable sits, and a chalky film from dissolved adhesive. Wipe the whole bar down with a cloth dampened in soapy water, then follow with a second pass using straight isopropyl alcohol to draw out moisture from the pores of the aluminium.
If the bar is steel, lightly scuff any surface rust with 0000 steel wool, then wipe clean. Carbon bars do not rust, but they do hold oils, and bare carbon should be rubbed with alcohol only — never an abrasive pad. After the bar is dry, run a finger along the underside of the drops. The skin should slide without catching, the way a new ferrule feels when it slides into housing.
Take the chance to check the lever clamp area. Old wrap sometimes leaves a ring of glue on the body of a Shimano 105 or SRAM Rival hood, and a cotton bud dipped in alcohol clears it in seconds. Once the bar is clean and the cables are tidy, leave the bike to air for ten or fifteen minutes. The wrap adhesive hates moisture trapped under it more than anything else, so a little patience here pays off on the first hot ride through the Adelaide Hills.
Reviving Old Tape vs Fitting Fresh Tape
Some tape deserves a second life. Cotton and cork wraps that are still flexible, even if a bit faded, can be washed, dried and re-laid. Synthetic wraps with peeling surfaces, exposed foam or a powdery white bloom on the underside have usually gone past the point of saving. The table below sets out a quick comparison before deciding which path to take.
| Condition of Tape | Cleaner to Use | Outcome to Expect |
|---|---|---|
| Lightly soiled, still soft, dye intact | Mild dish soap and warm water, soft cloth | Restored colour, adhesive reactivated |
| Stiff or chalky, white bloom on backing | Isopropyl alcohol 70 percent, light scrub | Surface stiff but usable, adhesive weakened |
| Crumbling edges, visible cracks, fibre loss | None — strip and replace | Safe wrap, longer service life |
| Synthetic wrap with peeling top coat | None — strip and replace | Safe wrap, longer service life |
| Cotton wrap mould-stained at the hoods | Dilute white vinegar, then soap | Mould removed or reduced, may reappear |
A revitalised wrap will never feel quite like new. The cushioning will be slightly firmer, and any shine that was rubbed off the printed side will not come back. For a commuter that lives indoors or a fair-weather road bike used on Saturday loops around Maribyrnong, that is often acceptable. For a rider putting in big kilometres on the Great Ocean Road or training through a Tasmanian winter, fresh tape is the smarter long-term call.
Wrapping the Handlebar the Right Way
Start the new roll at the bar-end plug and unroll toward the stem, keeping the tape taut and at a slight upward angle. Each pass should overlap the previous one by about half the width of the tape. Pull firmly but stop short of creasing the cloth; over-stretched tape pulls back from the lever body as soon as the bars are torqued into a sprint.
Around the brake hood, lay two tight wraps that tuck under the body of the lever, then continue upward toward the stem. Where the wrap crosses the gear cable on bikes with external routing, tape the cable down with a short strip of finishing tape so it cannot rattle or chafe through the wrap. Finish at the stem with the last pass sitting just below the faceplate and lock it off with a couple of wraps of finishing tape pulled tight to flatten the adhesive.
Test the wrap by gripping each position — drops, hoods, flats — and flexing the bars against the stem a few times. Any spot that lifts or shifts under load needs another half-pass. Once the tape feels secure across every hand position, pop the bar plugs back in, snip the excess, and the bar is ready for its next thousand kays. For ongoing care notes and a quick reference on solvents by tape type, see the full disclaimer page before starting your next service.
Give the wrap twenty-four hours before a hard ride so the adhesive can settle, and keep a short roll of finishing tape tucked in the saddle bag for trailside repairs. Riders who treat bar tape like any other serviceable part — checking it at the same time as chain wear and brake pads — usually double its working life and save the cost of a full re-wrap every summer. Pull the old wrap off this weekend, lay the bike out on a clean towel, and find out how much grip was hiding under the grime.