holts valve grinding kit 42gr 28gr Gransier are the ideal companion for

are the ideal companion for bicycles and e-bikes

The ergonomic design of the push button and the luxurious foldable key with online key service offer you maximum comfort

Complies with the Dutch ART 2 star approval

It is an environmentally-friendly

Inch size: 28"

holts valve grinding kit 42gr 28gr Gransier are the ideal companion forHolts Valve Grinding Kit contains two grades of high quality abrasives to remove stubborn build up and also to resurface and reseat the valves. The coarse grade polish can be used to remove stubborn deposits with minimum effort, while the fine grade abrasive rapidly polishes the valve seats. Using the abrasives with the suction cup stick will help to seat your valves correctly.