Description
As your machine handles touring, daily riding, and long road trips, the front calipers are constantly exposed to the absolute worst of the winter weather and wet road salt. The original factory fasteners are a notorious mechanical weak point—they seize up solid inside the body, turning a simple 10-minute brake pad swap into a complete workshop nightmare of drilling and tapping. This UK-made stainless steel set provides the ultimate insurance for your calipers, ensuring your backing plates always slide smoothly without binding. This will only fit the GTR models listed below and it wont fit the GT Naked Models. Upgrading to these custom-turned guides keeps your system fully serviceable across your latest restoration project.
Replacing your dingy, corroded original hardware with these high-grade fasteners adds a subtle touch of custom styling to your frontend while vastly extending component life. Standard mild steel screws expand and lock into the alloy holes, forcing owners to use excessive tool pressure that strips out the soft internal tool holes. Our aftermarket replacements feature a toughened internal hex socket that takes tool bits beautifully without slipping. They provide an un-complicated, direct-fit solution that delivers an ultra-smooth outer finish, allowing your pads to release cleanly for a highly consistent lever feel on everyday journeys.
💎 FRONT CALIPERS HYOSUNG CALIPER PINS HARDWARE SPECIFICATIONS
| UK Stainless SteelPremium rust-proof metal stock that handles wet riding conditions without pitting or peeling. | Anti-Strip Hex DrivesDeep, reinforced internal tool sockets engineered to prevent socket stripping on the workbench. |
| Mirror Smooth FinishLow-friction outer shaft surfaces that allow the pads to slide squarely without jamming. | True Replacement BlueprintPrecision dimensions built to drop straight into factory silver bodies to replace reference part number: 59302HG5100. |
📜 Confirmed Fitment Guide
Hyosung Models: Sizing and shaft configurations are verified strictly for the silver TCTC/TCiC brand 2-piston calipers listed below. See the diagram picture for pad locating paths.
- 125cc Group (2002-2017): GT125R / GT125RC / GV125 Aquila (Carb Models).
- 250cc & 650cc Group (Silver Calipers Only): GT250 / GT250R / GT650 / GT650R / GV250 / GV650 Aquila.
This repair kit is strictly for standard 2-pot silver calipers. It will completely NOT fit any model variant running the factory black 4-piston calipers. Please check your front wheel hardware before ordering if a previous owner executed a modification.
🔧 Installation Tips
- Scrub the Internal Passages Thoroughly: Use a tiny wire brush or a specialized spray cleaner to completely clear away old road grit, hard brake dust crust, or white corrosion oxidation from inside the caliper locator holes before sliding the new pins home.
- Lubricate the Slider Area Right: Clean the pin shafts with a clean cloth. Always smear an incredibly thin layer of high-temperature copper grease or Cera-Tec lubricant directly across the smooth sliding section of the pin. Avoid getting any grease on your pad faces or braking discs!
- Catch the Guide Threads manually: Always catch the entry threads inside the caliper housing manually using your fingertips first. This simple workbench step protects the aluminum from cross-threading or binding under tool force.




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