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Premium X-Ring 525 Chain & Sprocket Kit – Hyosung GT650 GT650R

Estimated delivery dates: Aug 20, 2026 - Aug 22, 2026
1 review

£129.99

🏆 PREMIUM 525 X-RING DRIVE KIT // RIDE FOR LONGER

Outperform the stock setup with an engineered final drive upgrade. This comprehensive overhaul kit lowers your running engine speed at high velocity, making a fresh Hyosung GT650 525 chain kit the ultimate way to boost top speeds across each gear during your restoration project.   🏆This kit will reduce the revs slightly , so your engine screams less on top gear runs!

  • Cruising // Optimised tooth ratios reduce rev stress at motorway speeds, allowing you to carry slightly more miles per hour per gear.
  • X-Ring Tech // High-grade quad sealing traps lubricant permanently to outlast basic factory O-ring chains.
  • Box Contents // Arrives complete with 1x Gold 525 X-Ring Chain, 1x Front Chromoly Sprocket, 1x Rear High-Carbon Steel Sprocket, 1x Genuine Lock Washer, 1x Fresh Front Nut, and 6x Stainless Rear Carrier Bolts.
  • In Stock // Perfect if you are restoring your final drive system and rear wheel components to their former glory.
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⏰ SPECIAL ORDER: Please allow extra time for delivery to your door. Estimated delivery times are listed above ^.

⚠️ SAFETY NOTE: Running a worn output gear setup on a high-power middleweight is highly dangerous. Losing your front spindle drive nut can cause immediate gearbox lockups. We include authentic locking plates inside this kit to ensure your project is completed properly.
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Description

This special-order final drive upgrade package comfortably outperforms the standard original factory setup under intense road use. We build this comprehensive overhaul kit using premium high-carbon chromoly steel sprockets sourced from highly trusted European and Japanese manufacturers to deliver maximum tensile strength and an exceptional wear life. Each box arrives completely loaded with everything you need for a total transmission line refresh, packing a striking Gold 525 X-Ring link chain, a precision-cut front drive gear, a matching rear high-carbon sprocket, an authentic fold-down safety lock washer, a fresh center spindle nut, and a full set of unrustable stainless steel carrier bolts. It is the definitive option for riders who demand serious reliability, superior structural strength, and far less frequent adjustments during a restoration project.

Great middleweight power requires an equally robust final drive link. By upgrading your final drive system from a basic factory O-ring design to our specialized quad-lip X-ring layout, you secure significantly better internal grease retention and superior weather defense. Furthermore, this custom kit is engineered explicitly to lower engine rev stress during high-speed cruising. By optimizing your final tooth drive ratios, it allows the V-twin motor to run significantly more relaxed when touring, safely stretching your overall top speed thresholds while adding noticeable extra speed parameters within every single gear selection.

💎 INDUCTION HARDWARE HYOSUNG GT650 525 CHAIN KIT SPECIFICATIONS

Chromoly Steel BuildFront sprocket milled from SCM420 steel to cope easily with intense engine torque pulses. Uprated Gearing DynamicsReduces engine stress at high steady speeds while unlocking higher top speeds inside each gear.
Advanced X-Ring SealsQuad-lipped rubber barriers that retain inner link lubrication and withstand harsh road wetness. Total Assembly HardwareArrives with the gold link chain, sprockets, genuine lock plate, fresh center nut, and carrier screws.

📜 Confirmed Fitment Guide

What Model? What Year: Spline configurations and carrier hub patterns are verified for both carbs models and electronic injection models noted below up to 2018. See the diagram picture for rear hub mounting lines.

  • GT650 Naked: All years from 2003 to 2018.
  • GT650R & GT650S: All faired sport twin variants across all years.
  • GT650RC & GT650P: All late-generation injection configurations up to 2018.

🔧 Install Tips

  • Break the Front Nut Torque First: Always crack the initial tightness hold of your original front sprocket nut on the workbench while your old link chain is still mounted on the teeth. Keep the transmission clicked securely in gear and have a helper step down hard on the rear brake pedal to lock the output shaft from spinning.
  • Fold Your Lock Washer Ear: Slide our fresh genuine locking plate onto the drive splines before spinning the new nut home. Once your calibrated hand torque wrench matches original factory tightness specifications, take a flat drift tool and a small hammer to fold the metal flap flat against the hex side face of the nut to physically lock it.
  • Utilize a Calibrated Torque Wrench: Always use a proper hand-operated torque tool when tightening your output shaft gear and carrier nuts. Over-tightening can easily fracture the internal metal splines on your gearbox output shaft or warp your wheel threads.
  • Secure the Master Link Properly: If you are completely unfamiliar with using professional chain breaking and rivet tools to mushroom the master link pins safely, do not risk a loose link on a 650cc twin. Take your new hardware down to a qualified local mechanic to ensure a secure, permanent connection.
📧 NOT SURE HOW MANY LINKS TO TRIM FOR CUSTOM ADJUSTABLE REARSET SETUPS? If your rear axle alignment is sitting loose or you want to verify your hub bolt configurations before unboxing your kit, you can upload a crisp photo of your swingarm setup on the forum to get instant feedback. For fast sales support, email us your question or if you want to find simple final drive service instructions, head straight over to the forums.

Additional information

Weight 4 kg
Dimensions 30 × 30 × 4 cm

1 review for Premium X-Ring 525 Chain & Sprocket Kit – Hyosung GT650 GT650R

  1. MattHyo627

    Bought and Installed on RC 2018. Excellent strength, the full kit that is provided is excellent value for money and much better than other providers. Sprocket especially is a great upgrade. Visually it looks great, I will aim to get some photos added to show final product.

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