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DDC Racing

KTM, Husqvarna & Gas Gas Professional Moto Kit: Gold RK Chain (UW-Ring)

KTM, Husqvarna & Gas Gas Professional Moto Kit: Gold RK Chain (UW-Ring)

Regular price $ 280.00 USD
Regular price Sale price $ 280.00 USD
Sale Sold out

Euro Professional Moto Kit:

This is a narrow and lightweight sealed chain. If you are serious rider, we strongly recommend this chain over a traditional non-o ring chain.


Everything you need in one easy step, and the best part is: YOU SAVE HUGE!

Our Combo Kit includes:

  • 1 DDC KTM Front Sprocket (You choose the number of teeth)
  • 1 DDC Racing KTM Rear Sprocket. (You choose the number of teeth)
  • 1 RK Premium GB520MXU Gold UW-Ring Chain. (120 link, w/ clip on master-link)
  • 1 Sprocket Bolt Kit by Bolt Motorcycle Hardware. (You choose your preferred style of bolts)

Choose your gearing combination from the drop-down menu above. 

This Combo Kit fits the following makes & models:

  • (1991-current) KTM 2-strokes 125cc and larger
  • (1999-current) KTM 4-strokes 250-530cc
  • (2014-current) Husqvarna 2-stroke models. *Does not fit 2014 Italian models
  • (2014-current) Husqvarna 4-stroke models. *Does not fit 2014 Italian models
  • (2021-current) All Gas Gas models (*not trials bikes) 

*Note: If you ride a bike larger than a 530cc, such as a 690 or 701, we can build you a combo it using an OEM or aftermarket front sprocket. Email us! 

RK GB520MXU (120 Link)

                Pin Length: 18.00mm

                Tensile Strength: 8,000 ft/lbs

                Engine Displacement: Recommend for use for up to 500cc off-road

                Seal Type: UW-ring

                Colors Available: Gold

The GB520MXU RK Chain is a narrow and ultra-light sealed MX/SX racing chain. This chain is the lightest sealed-ring motocross chain available on the market today! Made for the professional motocross racer, 520MXU 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. The GB520MXU can be used for both off-road and Supercross events. Many professional off-road race teams from FMF KTM Factory Off-Road to Rockstar Husqvarna Factory Off-Road use the MXU. This chain will last 10 times longer than a traditional motocross non-o ring chain!

Sprocket Bolts by Bolts Motorcycle Hardware: The highest quality motorcycle sprocket bolts on the market today! These will fit nearly any make/model dirt bike.

  • Metric Class 10.9 Carbon Steel - (this is equal to a US grade 8 bolt and is the recommend strength for a sprocket bolt).
  • "Fuji" mechanical locking nuts
  • Pre-applied pressure sensitive thread-lock patch
  • Available in Euro specific (Torx Bolts) or standard 8mm Allen bolts in nickel or black finish
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