SKU: 12-52U-120GD

RK 520MXU UW Ring Chain - GOLD - 120 Link - 12-52U-120GD - Honda / KTM / Yamaha

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High Quality Japanese
UW Ring Chain - GOLD

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RK 520MXU UW Ring Chain - GOLD
Pitch 520
Links 120
Model No 12-52U-120GD

MXU is The Lightest Sealed-Ring Motocross Chain available on the market today. The MXU chain is 5% lighter than KZU and 8% lighter than competitor’s popular sealed off-road chain. Made for the professional motocross racer, GB520MXU is the next generation of motocross racing chains featuring RK’s new UW sealing rings. MXU chains are designed to provide the most consistent power delivery and increased chain life. All components are heat treated using RK’s exclusive HIT (Heat Induction Transfer) process. Ideal for MX race application from 125-500cc.

  • Constructed from high carbon alloy steel for strength and durability
  • Seals in lubrication, delivering smooth power with no 'O' ring drag
  • Fitting link (either clip link or peen link) is supplied with chain 




Honda CR500R 92-00
Honda CRF450 02-16
Honda CRF450X 05-17

Husqvarna FC250 14-17
Husqvarna FC400 97-01
Husqvarna FC450 05-06
Husqvarna FC450 14-17
Husqvarna TC125 15-16
Husqvarna TC250 04-17
Husqvarna TC449 11-12
Husqvarna TC450 03-10
Husqvarna TE250 04-17
Husqvarna TE449 11-12
Husqvarna TE510 04-10
Husqvarna TE511 11-12

Kawasaki KX450F 06-17

KTM 200 XC-W 12-15
KTM 250 R Freeride 14-16
KTM 350 SX-F 10-17
KTM 400 SX 99-03
KTM 450 MXC 03-04
KTM 450 SX 03-06
KTM 450 SX-F 07-16
KTM 500 EXC-F 12-16
KTM 505 SX-F 07-08
KTM 520 SX 00-02

Maico MC 400 Magnum 78-81
Maico MC 450 Magnum 78-81

Suzuki RM-X450Z 10-14
Suzuki RM-Z450 05-17

Yamaha YZ450F 03-17

Please use chain model finder below to find correct model chain for your bike.

Looking for the correct chain? 
Please follow the instructions below to find the exact model RK Chain to suit your Make / Model / Year bike.

1. Please click here to go to the LINK International website.

2. Using the Parts Finder, select the Make / Model / Year of your bike and click SEARCH.

3. Scroll down and select FINAL DRIVE

4. The site will display the OEM chain as well as any other OPTIONAL (non OEM) chains available for your bike.

5. The part number of the Chain will be displayed on the right. Use the part number to search our website or scroll through our RK Chains page here until you find the correct Chain with part number listed in the title.

Please note
  • Chain may need to be trimmed to length to suit your motorcycle
  • Please read instructions carefully before fitting, we recommend fitting by a qualified motorcycle mechanic
  • New chains will stretch after initial use, be sure to check and re-adjust chain slack after your first ride


SKU 12-52U-120GD
Brand RK Chains
Shipping Weight 2.5000kg
Shipping Width 0.260m
Shipping Height 0.120m
Shipping Length 0.030m


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