Keep your gears clean.
Get into the nooks and crannies of your drivetrain with Park Tool’s GSC-1C GearClean Brush. The curved, toothed end fits in between cassette cogs to free impacted grit, while the stiff bristles break up stubborn dirt.
- Volume
- 1sp to 30spd
- Recommended Use
- Toothbrush
California Proposition 65
This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP) which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.