PARK TOOL GSC-4 Cassette Cleaning Brush wheelset The helmet is lightweight

The helmet is lightweight

With a carbon composite body and stainless steel body plate

Barometer and ambient temperature sensors

Replaceable TPU spike for excellent grip

prevents raindrops and snow from entering the garment while still allowing moisture vapour from perspiration to pass through the membrane’s micropores and escape from inside

PARK TOOL GSC-4 Cassette Cleaning Brush wheelset The helmet is lightweightA sturdy bicycle cleaning brush with a unique angled and contoured shape perfect for cleaning cassettes and freewheels as well as tires. With a strong ergonomic handle and stiff nylon bristles, the GSC 4 scrubs away the toughest muck and mess.