Accurately and quickly measures chain slack.
- Two scales measure both chain slack and chain to swingarm clearance
- Setting chain slack properly dramatically improves chain life
- Light weight compact design fits easily in your tool box or road kit
- Works on most street and dirt bike applications up to 75mm chain slack
- Made from engineered nylon with aluminum measuring scale
- Anodized laser etched precision measuring scale
- Refer to your owner’s manual for proper chain slack and procedure
- Patent pending