Drive Chain 140 Links Racing Gold

[RK GC415HRU140 Drive Chain 140 Links Racing Gold Motorcycle Parts Chain]
Color: Racing Gold
Number of Links: 140
Compatible Engine Displacement:
For public roads: 50-125cc (conversion from 428 size is not possible)
For racing/endurance racing:
・2-Stroke: 125cc or less
・4-Stroke: 250cc or less (single-cylinder up to 300cc)
Recommended Regulations: 50-125 hobby races, J-GP3
・Sport model for street use
・Polished and plated inner and outer plates improve seal durability compared to the old model (GB415HRU)
・Only for vehicles originally using 420 size, street use up to 125cc is now possible. Converting to 415 size improves rear wheel output without sacrificing durability or breaking strength.
・Improves rear wheel output without sacrificing durability or breaking strength
・Achieves approximately 10% weight reduction compared to 420 standard chains (RK products).
*A total weight reduction of about 20-30% can be achieved for the entire drivetrain, including the sprocket.
・Achieves approximately 15% strength improvement compared to 420 standard chains (RK products).
・Achieves approximately 2-3 times the durability compared to 420 standard chains (RK products).
*Reduces chain maintenance frequency.
*Conversion to 415 size is required for installation.
*Not compatible with conversion from 428 size.
*For endurance races with 250cc racers, please use GC520MRU or WG520TRU.
*Please check the category, etc., for race use.
*The image is for illustration purposes only, and the design and specifications of the products shown are subject to change without notice. Please understand.