Checks the degree of chain wear and stretch.Compatible with derailleur chains from single to 12 speed.Specification:material: cnc machined 6061 steel.Indications: 0.25 0.5 0.7 0.8 1.0%.
Checks the degree of chain wear and stretch.Compatible with derailleur chains from single to 12 speed.Specification:material: cnc machined 6061 steel.Indications: 0.25 0.5 0.7 0.8 1.0%.
