Double-Sided Timing Belt Height of Double Sided Timing Belt Type W T Size Pitch Length (mm) Teeth No. D-MXL 0.508 1.53 D-XL 0.508 3.05 196XL-1970XL 497.84－5003.8 98－985 D-L 0.762 4.58 203L－1988L 514.35－5048.25 54－530 D-H 1.372 5.95 670H－2...