This product is registered by Katayama Chain, Co., Ltd..
About This Product
The span box uses a special resin (Material "S") for the chain guide, which is more wear-resistant and durable than steel. Maintenance-free and automatically maintains proper tension at all times, increasing chain drive performance and lifespan.
Types SB1 and SB2 have three built-in springs, and the tension can be set by the number of springs to be released.
*Spring retaining bolt
*Tension load is set by opening. Please provide a space at the bottom where you can tighten the bolts with a flat head screwdriver.
*See page 439 for load classification (tension) and transfer section shape and dimensions.
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