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Spec Sheets


BTX courtesy of Shagman. Congratulations ! Cool sled
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All models have a 35 degree helix, all models use a new Yellow secondary spring, all models use new Gold-Red-Gold primary spring (55/105), all 129, 137, 141, and 153 models use 8LR-00 weights, the 162" track length uses 8KC-00 weights, all models use 14.5mm rollers.
 
129 & 137 with 1.25" track models gearing = 21/41, 86 link chain
137 & 141 with 1.6" track models gearing = 21/41, 86 link chain
137 & 153 with 1.75" track models gearing = 21/41, 86 link chain
141 & 153 with 2.25" track models gearing = 24/50, 92 link chain
162 with 3" track models gearing = 21/49, 90 link chain
 
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