The ventilation openings are not covered

handlebars

Fits 28-40 mm internal rim widths depending on model selected

6-pawls offer fast 5-degree engagement

Silca Strip Chip Degreaser Wax Additive - 72g algolia-ignore The ventilation openings are notEliminate the need for any harsh cleaners or degreasers to wax your chain. Drop a single Strip Chip square into your hot wax, let your chain wax for 10 minutes, and hang to dry. Reuse the same pot of wax for future waxings, No More Degreasing! Prep: Strip Chip eliminates the need for degreasing new factory chains. With Strip Chip, its straight into the hot wax for simple chain preparation. Advanced Technology: Each Strip Chip degreasing additive piece