Description
As your machine handles long road trips and daily riding, the original flexible rubber fluid pipes gradually degrade, soften, and become highly porous under continuous weather exposure. This isn’t just an ugly aesthetic issue in your eye-line; it represents a major stopping safety risk that creates scary fade and a highly mushy, spongy lever feel. Upgrading your frontend to this premium aftermarket Hyosung twin disc brake line kit completely eliminates hose swelling. By containing hydraulic force within a dense, armor-wrapped mesh, every single millimeter of handlebar lever pull transfers directly to both front calipers to maximize your safety thresholds across your latest restoration project.
We partner directly along with premier UK race engineering makers like Goodridge and HEL to supply an un-complicated drop-in performance upgrade that is lightyears ahead of cheap original equipment parts. Standard factory rubber pipes expand heavily under load, forcing you to adjust your lever position continuously. This custom-assembled bundle uses an advanced clear-coated PTFE inner core that maintains complete fluid speed and density under extreme track day heat or heavy touring. Additionally, we pack six unrustable stainless banjo bolts right inside the box. Swapping your rotted original fasteners for these custom-milled pieces ensures your fluid passages remain easy to open on the workbench for any future maintenance project.
💎 COCKPIT HYDRAULICS HYOSUNG TWIN DISC BRAKE LINE SPECIFICATIONS
| 2x Goodridge/HEL HosesClear jacketed stainless steel braided lines built with an advanced non-expanding PTFE core passage. | 6x Stainless Banjo BoltsCustom-milled unrustable fasteners that replace soft original factory fluid screws. |
| 2x Fresh Bleed NipplesUprated replacement screws to make flushing old discolored oil on the bench quick and simple. | 6x Copper Crush WashersSoft sealing rings that crush flat under torque to secure a 100% leakproof high-pressure lock. |
📜 Confirmed Fitment Guide
Hyosung Models: Lengths and banjo bend angles are calibrated strictly for standard sports clip-on handlebars running two front discs. See the diagram picture for line plumbing configurations.
- GT250R / GT250RC: All production years (Twin front disc setups) up to 2020.
- GT650R / GT650RC: All production years (Twin front disc setups) up to 2020.
- GT125R / GT125RC Modded: Only if converted to twin front discs using a 250cc/650cc brake parts (up to 2020)
This hardware package replaces original reference codes 59480HR7700, 09161-10005, and 09360-10039. Confirmed fitment applies strictly if you run original factory calipers. If a previous owner swapped the assemblies for unknown non-original calipers, our custom banjo bolts may not fit. This kit will strictly NOT fit the following configurations:
- GT Naked & GV Cruiser Series: This kit is cut specifically for the low sports fairing bar rise height. For custom length lines tailored to naked or cruiser bikes, contact us here for a bespoke quote.
🔧 Installation Tips
- Banish the Trapped Air Pockets completely: Trapped air pockets mean zero braking power. Uprated dual steel braided lines can be trickier to bleed out manually than soft original rubber. We highly suggest using a basic vacuum bleeder tool on your caliper nipples to draw fluid down and get a rock-solid lever lock within minutes.
- Use Fresh Fluid Only: Always fill your system with fresh, premium DOT 4 or 5.1 brake fluid during your maintenance project. Never attempt to reuse old fluid from a cracked container, as moisture contamination lowers the boiling point dangerously.
- Execute a Safe Test Ride: After buttoning your covers down, test your anchors gently in a safe, slow area before riding at speed. Inspect the line lines regularly on your road trips for any signs of friction abrasion or panel damage.








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