RK CHAIN
SKU 691-10002
Processing time varies by item. Review any lead-time notes below.
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Product information
RK EXCEL 420 MXZ Drive Chain - 420MXZ-CL
Heavy duty MXZ Mini Racing chains made for mini MX and SX racing. MXZ chains feature Chromoly steel construction with seamless rollers and bushings, and oversized special alloy pins for added strength.
Verify the manufacturer part number and vehicle application before ordering.
420MXZ-CL
Check your bike
Match the year, make, model and any additional restrictions. If you're unsure, confirm with us before ordering.
Check with our team ↗An exact compatibility list isn't available here. Review the product description and contact us with your bike's year, make, model and trim before ordering.
See product detailsBefore you order
Eligible standard U.S. orders ship free at $100+. Below $50: $19.95; $50–$99.99: $12.95. Standard transit is usually 3–5 business days after shipment. Processing and special-order timing vary. Checkout confirms the rate. Alaska, Hawaii and Puerto Rico are excluded.
Read shipping policy ↗Eligible items must be unused, uninstalled and in their original condition and packaging. Request approval within 30 days of delivery. Ordinary return shipping is your responsibility; exclusions apply.
Read return policy ↗Complete your order through Shopify. Available payment methods and any installment eligibility are shown at checkout.
Good to know
A few answers before you place your order.
Check the listed year, make, model and any trim restrictions. Product-level fitment information may cover several variants. If your exact bike isn't listed, ask us before ordering. Check compatibility details.
Use the product description and included-items list to confirm the contents. Reference photos may show optional accessories or another finish. If contents or quantities aren't specified, ask us before purchasing. See product details
Availability is not a delivery-date guarantee. Orders may ship from Parts4Motorcycles, a distributor or the manufacturer. Standard U.S. transit is usually 3–5 business days after shipment; processing and special-order lead times are additional. Contact us if you need the item by a specific date. Email our team
We don't offer direct exchanges. For eligible unused items, request a return within 30 days of delivery, then place a new order for the correct option. Return approval and the policy exclusions apply. Read return policy
