RK Chain · New
RK Chain 420 MXU2 U-Ring Sealed Chain - Gold
MPN GB420MXU2-66 · Store SKU rkcGB420MXU2-66
Supplier stock checked 11/8/2026, 3:55:06 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
When conditions turn muddy, sandy, wet, or if riders just want a long lasting racing chain, RK offers a sealed supercross, motocross and off-road racing chain called MXU2
Manufacturer fitment & guides
Check GB420MXU2-66 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
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