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Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Rk Excel

Rk Excel 691-1801BK BL420MRU-120 BL420MRU DRIVE CHAIN BLACK 420 X 120

MPN: BL420MRU-120 SKU: 691-1801BK
Rk Excel 691-1801BK BL420MRU-120 BL420MRU DRIVE CHAIN BLACK 420 X 120
Rk Excel

Rk Excel 691-1801BK BL420MRU-120 BL420MRU DRIVE CHAIN BLACK 420 X 120

MPN: BL420MRU-120 SKU: 691-1801BK
Availability:
17 in stock, ready to be shipped
MRU features RK’s proprietary Ultra Thin Seal, U-Rings, where the thickness of the seal is less than 50% of the most common O-ring seal. This allows RK to design a Sealed Chain with the weight of a Non-Sealed Chain. MRU will feature 4 times longer chain life than comparable non-sealed 420 chains and will require less chain adjustments compared to non-sealed 420 chains.Features Tensile Strength: 4,540 lbs Max CC Rating: 150cc Street, 150cc Off-road Max Horsepower: 25 HP Weight: 1.74 lbs Max Chain Width: 17.1mm Master Link Included: Clip type
$160.04 - $160.04
$160.04
$160.04 - $160.04
$160.04

Product Details

MRU features RK’s proprietary Ultra Thin Seal, U-Rings, where the thickness of the seal is less than 50% of the most common O-ring seal. This allows RK to design a Sealed Chain with the weight of a Non-Sealed Chain. MRU will feature 4 times longer chain life than comparable non-sealed 420 chains and will require less chain adjustments compared to non-sealed 420 chains.


Features

  • Tensile Strength: 4,540 lbs
  • Max CC Rating: 150cc Street, 150cc Off-road
  • Max Horsepower: 25 HP
  • Weight: 1.74 lbs
  • Max Chain Width: 17.1mm
  • Master Link Included: Clip type
Product Description

MRU features RK’s proprietary Ultra Thin Seal, U-Rings, where the thickness of the seal is less than 50% of the most common O-ring seal. This allows RK to design a Sealed Chain with the weight of a Non-Sealed Chain. MRU will feature 4 times longer chain life than comparable non-sealed 420 chains and will require less chain adjustments compared to non-sealed 420 chains.


Features

  • Tensile Strength: 4,540 lbs
  • Max CC Rating: 150cc Street, 150cc Off-road
  • Max Horsepower: 25 HP
  • Weight: 1.74 lbs
  • Max Chain Width: 17.1mm
  • Master Link Included: Clip type
Part Numbers
Store SKU MFR. Product # Availability
691-1801BK BL420MRU-120 In Stock

MRU features RK’s proprietary Ultra Thin Seal, U-Rings, where the thickness of the seal is less than 50% of the most common O-ring seal. This allows RK to design a Sealed Chain with the weight of a Non-Sealed Chain. MRU will feature 4 times longer chain life than comparable non-sealed 420 chains and will require less chain adjustments compared to non-sealed 420 chains.


Features

  • Tensile Strength: 4,540 lbs
  • Max CC Rating: 150cc Street, 150cc Off-road
  • Max Horsepower: 25 HP
  • Weight: 1.74 lbs
  • Max Chain Width: 17.1mm
  • Master Link Included: Clip type