Two scales measure both chain slack and chain to swingarm clearance in millimeters
Works on most street and dirt bike applications up to 75 mm chain slack
Lightweight compact design fits easily in your tool box or road kit
Made from engineered nylon with aluminum measuring scale
Anodized laser etched precision measuring scale
Accurately and quickly measures chain slack
Refer to owner’s manual for proper chain slack and procedure.
Does not work on motorcycles with Gullwing type swingarms.