Product Description
The RK GB420MXZ-140 is a 420-series, 140-link non-O-ring chain for motocross racing applications. It features chrome-moly alloy steel construction, seamless rollers and bushings, oversized alloy pins, heat-treated components, and a clip-style master link.
Product Specifications
BrandRK Racing Chain
Manufacturer Part NumberGB420MXZ-140
Item Model NumberGB420MXZ-140
Item Weight2.4 pounds
Brand NameRK Racing Chain
Number of Items1
Number of Packs1
Unit Count1 Count
ModelGB420MXZ-140
Part NumberGB420MXZ-140
Pitch12.7 millimeters
Item Length73.5 inches
Load Capacity417 pounds
Recommended Uses For ProductMotocross racing
Tensile Strength5000 pounds
Strand TypeSingle
Specification MetANSI B29.1
Material TypeAlloy Steel
Explicit Manufacturer Part NumberGB420MXZ-140
Series420
Link count140
Chain typeNon-O-ring
ColorGold
MaterialAlloy steel
Pin length15.7 millimeters
Connecting linkClip type
Weight2.4 pounds
Weight per 100 links1.76 pounds
SpecificationANSI B29.1
Recommended useMotocross racing
Maximum engine size150cc street / 125cc off-road