RK X-Ring Chain + Sprockets Kit For Class 2B Bikes
Picture for descriptive purposes only
GB428XSO
SEALED RX-RING SPORTBIKE CHAINS
Looking for an affordable, long lasting performance chain? Look no further, RK's XSO chains offer less torsional friction and increased high-stress, high-speed performance providing a longer lasting chain at an affordable price.
All RX-Ring chains have "Refined X" shaped seals and improved metallurgy giving you 7 times longer wearlife than standard O-ring chains. Viewed in cross section, the RX-ring has two lubrication pools and contact lips versus the single contact design of a standard O-ring chain. Giving the chain a longer life gives you more value for your money.
$150 PACKAGE:
- RK X-Ring GB428XSO Chain
- Front sprocket
- Rear sprocket
- Workmanship
Applicable to most 2B bikes. Examples: X1R, X1, Sparkz 110/135, KRR150, RXZ, Y125Z, NSR150SP (converted to 428 chain & sprockets)





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