Description
Swapping out your worn stopping material should not require a drill bit, a prayer, or an afternoon of sweat. The reality of maintaining these older bikes is that the standard soft factory caps corrode solid inside the alloy casing hole. This often forces owners to bin a perfectly good caliper body simply because they cannot reach the sliders hidden underneath. Choosing this premium aftermarket Hyosung brake grub screw kit solves this headache once and for all. These UK-made stainless parts provide a weather-tight block that shields your slider pins from road grime, ensuring they back out easily every single time on local roads.
💎 STOPPING HARDWARE HYOSUNG BRAKE GRUB SCREW SPECIFICATIONS
| 100% Solid StainlessPolished high-grade metal that remains completely immune to rain and winter road salt. | Deep Hex Tool OpeningFormed with a tough 5mm socket path that allows you to apply full tool torque safely. |
| Protective Cap ShieldKeeps wet muck out of the inner tunnels so your main slide shafts stay clean. | True British MachiningTurned from high-tensile bar stock right here in the UK—never a soft or loosely fitting part. |
📜 Confirmed Fitment Guide
Silver TCTC(TCIC) & DSG Caliper Group: Machined exclusively to match older original braking units. See our pictures of the exact supported calipers.📸
- Hyosung GT125 / GT125R Sport: Fits years 2003 to 2019 running factory silver calipers.
- Hyosung GT250 / GT250R Sport: Fits all carburettor and injection models with silver calipers.
- Hyosung GT650 / GT650R Sport: Fits early twin-pot versions using silver TCIC calipers.
- Hyosung GV125 / GV250 / GV650 Aquila: Fits all cruiser models matching the silver TCiC calipers.
- Modern Bobber Layouts: This kit will strictly not work on newer GV125-S EFi or GV300S cruisers.
- Black 4-Piston Sport Calipers: Does not fit high-spec 650cc models running larger black multi-piston configurations. Those use alternative layout sizes.
🔧 Install Tips
- Clean out the Thread Bore: Run a small, stiff wire pipe brush or spray a generous blast of clean carb cleaner liquid directly inside the thread hole before you spin the fresh fasteners in. This removes any old crusty road grit or lock paste.
- Apply Anti-Seize Paste: Wipe an incredibly fine dab of copper grease grease or high-temperature anti-seize paste directly onto the threads. This ensures they remain a true “fit and forget” item that turns out freely years down the line.
- Use the Correct Tooling: Always slide a good-quality, sharp-edged 5mm Allen hex tool fully into the bolt opening. Our stainless metal is tough, so make sure you use solid tools to avoid slipping out.
- Double Check Safety: Once your calipers are unbolted and fully serviced on the bench, remember to pump your handlebar brake lever several times until you get full hydraulic pressure back before you roll out on local roads.





















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