Dimension & Clearance Specifications - Timing Belt

Deflection 5-6 mm(0.20-0.24 inch) at 20 N (4.4 lb.)
Tension Spring Minimum Free Length 31.8 mm (1.252 inch)
Tension Spring Pull at 37.6 mm (1.480 inch) 48-52 N (10.8-11.7 lbs.)