Home › RK 420 MRU E-Moto Chain
RK 420 MRU sealed chain with black side plates and gold rollers
RK 420 MRU chain U-ring seal diagram
RK 420 MRU sealed chain with black side plates and gold rollers
RK 420 MRU chain U-ring seal diagram

RK 420 MRU E-Moto Chain

SKU: BL420MRU-120
$144.04
$160.04 Sale $144.04
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Product Description

  • 120 links
  • MRU chains utilize RK's proprietary Ultra Thin Seal U-Rings which allows the thickness of the seal to be less than 50% of the most common O-ring seal
  • MRU features 4 times longer chain life and will require less chain adjustments than comparable non-sealed 420 chains
  • Lightweight, low friction, sealed, U-Ring 420 pitch chain perfect for Honda® Monkey and Honda® Grom

Watch the install

Straight from the Warp 9 shop floor.

Install video

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Sprockets to pair with this chain

Matched to the bikes this part fits

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    Black neoprene Warp 9 shock cover with white W9 logo Shock Cover

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Rider photos

Real builds on bikes this part is listed for

See the Rider Gallery Show off your bikeUp to 5 photos
2022 Surron Light Bee, Red rims · Black hubs Trials5 2022 Surron Light Bee Red rims · Black hubs19 × 1.40 front · 19 × 1.40 rear6 Warp 9 partsby Sheldon T. 2026 79Bike Falcon PRO Adventure2 2026 79Bike Falcon PRO16 × 1.85 rear2 Warp 9 partsby Timothy J. Surron Light Bee, Magnesium rims · Black hubs 2 Surron Light Bee Magnesium rims · Black hubsE-Moto wheelsby Gus B. Husqvarna, Flo Yellow rims · Blue hubs Supermoto Husqvarna Flo Yellow rims · Blue hubs1 Warp 9 partby John C. Surron Light Bee, Purple rims · Black hubs Trail Surron Light Bee Purple rims · Black hubs1 Warp 9 partby Benjamin A. Surron Light Bee, Black rims · Red hubs Trail2 Surron Light Bee Black rims · Red hubs3 Warp 9 partsby Kasper M.

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