Uprated Japanese 520 Chain & Sprocket Kit :: Hyosung GT125R GT250R GT125 GT250

Rated 5.00 out of 5 based on 1 customer rating
(1 customer review)

£85.00

Uprated Japanese Chain & Sprocket Kit

  • Tired of poor standard chains?
  • Slow acceleration?
  • Does a weak chain need adjusting all the time? 

Fear not, this Ultimate Japan 520 Chain & Sprocket Kit is just the fix for all 125s needing a boost!
& for 250cc bikes benefiting from extra longevity & acceleration over standard Hyosung parts. 👌


⬇️ Details below!

In stock

⚡Uprated Japanese 520 Chain & Sprocket Kit :: GT GTR 125 250 RC Hyosung

.  🚚 3-4 DAYS TO UK ADDRESSES – DPD / UPS TRACKED   .

Uprated Japanese  520 chain & sprocket kit – Want to go faster ? 

Based on “various customer feedback” online & social media, this chain kit always gave the 125/250cc bikes the extra zip! 🏁 

📑 Product Details  (What’s Inside?):

  • ⚙ 1x Genuine “Yamaha” front sprocket   (#Japan)
  • ⛓1x Light Japanese 520 Chain (From RK | EK | Choho Jap)
  • ⚙ 1x 520 Rear Sprocket  (TC/D.i.D or JT Alternative)
  • 🔗1x Genuine ‘Hyosung’ Sprocket Washer (Safety LockTab)
  • 🔩 Free STAINLESS Sprocket Bolts! (Stay shiny!)

🔵 Product Gains (This kit vs Stock Chains):

  • From 125cc to 250cc this chain kit will max the bike at 90 100mph @12k revs max.
  • Acceleration is increased  (Better 0-60 times)
  • Uphill^ rides are much faster. #guaranteed.
  • Stock GT125 is average 82-88mph top speed (Chain kit helps the bike get to top speed quicker & over 86+)
  • For 250cc owners – Acceleration is up marginally & best gains is the chain “lifespan”
    & 100-105mph an absolute max  (for you track day junkies!)
    & For Normal Street Riding = Japan Steel chains always last better than cheap china copies.

💬  FAQ: What colours can I get ?
Chains = Black / Charcoal & Rear Sprockets = Shiny Silver

💬 FAQ: Can I get a   Gold   Colour Chain?
Contact us for more info, they cost a little more from the UK Trade Suppliers.

💬  OK, What are they saying about this Chain & Sprocket Kit ?:

Head to the UK  Hyosung Facebook Group (& search “520 Chain Kit” in the group)
You will find sold 520 Chain & Sprocket Kits posted by customers & their reviews are there.
More reviews will appear on this website too!


🚚 UK ONLY.
The price already includes tracked & mandatory express delivery due to item weight & contents.
🚚Please allow 3-4 Days for UK Orders (UPS or DPD Tracked)  = BUNDLE PACKAGE.

🔧 Fitting Instructions:
None.  Just swap & go ;-).  Literally.

Need detailed help?  Visit the Forums

🏍 Model fitment list:

  • GT125R & GT125-RC = All years.
  • GT125 Naked & GT125P = All years.


📧 For other bikes, please let us know.  

1 review for Uprated Japanese 520 Chain & Sprocket Kit :: Hyosung GT125R GT250R GT125 GT250

  1. Rated 5 out of 5

    shane (verified owner)

    Made a improvement to my 125 got abit more top end aswell

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