Product Review

Accurately and quickly measures chain slack (not used to measure chain to swingarm clearance specification).
Setting chain slack properly dramatically improves chain life.
Lightweight compact design fits easily in your toolbox or road kit.
Works on most street and dirt bike applications up to 2in (52mm) chain slack.
Made from engineered nylon with aluminum measuring scale.
Anodized, laser-etched precision measuring scale.
Refer to your owners manual for proper chain slack and procedure.
Patent pending.