







Product Details
G-Form Youth X4 Knee Guard
Our New Youth X4 Knee Guards boasts a new SmartFlex pre-curved padding for extended coverage and an ergonomic, comfortable ride every time. These CE-1621-1 Level 1 certified guards have innovative heat management and ventilation systems to keep you cool and dry on the trails. Additional padding and as secure fit provide ultimate comfort and easy on-off, and throw it in the washing machine when you're done for the day.
- New pre-curved SmartFlex pad provides a flexible, ergonomic, and secure fit
- Internal pad geometry and molded vents optimize heat management.
- Breathable compression fabric with enriched materials, including ribbed side paneling for added comfort.
- CE-1621-1 Level 1 certification
- Interior top red gripper and textured elastic bottom gripper keep guards securely in place.
- Guards easily slip on, but molded fit reduces the need for frequent adjustments.
- Extended coverage in critical areas for added protection.
- Machine washable
X4 Knee Guards
| YOUTH | Measure thigh 6" above kneecap | Measure calf around widest point | ||
|---|---|---|---|---|
| S/M | 10-12" | 25.5-30.5 cm | 6.5-8.5" | 16.5-21.5 cm |
| L/XL | 12-14" | 30.5-35.5 cm | 8.5-10.5" | 21.5-27 cm |
| ADULT | Measure thigh 8" above kneecap | Measure calf around widest point | ||
| XS | 16.5-18" | 42-46cm | 11-13" | 28-33 cm |
| S | 18-19" | 46-48.5 cm | 13-14" | 33-35.5 cm |
| M | 19-20" | 48.5-51 cm | 14-15" | 35.5-38 cm |
| L | 20-21.5" | 51-54.5 cm | 15-16" | 38-40.5 cm |
| XL | 21.5-23" | 54.5-58.5 cm | 16-17.5" | 40.5-44.5 cm |
| XXL | 23-25" | 58.5-63.5 cm | 17.5-19" | 44.5-48 cm |
What Sets Alchemy Apart
The best pre-owned bikes
When you buy a pre-owned bike from Alchemy Cycle Trader, you’re getting more than just a great deal. Every bike is roadworthy certified, comes with a 3-month warranty, and includes your first service free - so you can ride away with complete confidence.
Buy with confidence
In-house Active Thermography Carbon Fibre Testing for extra peace of mind on pre-owned bikes.
Learn more about our carbon testing.
Expert Servicing & Ongoing Support
Our professional workshop team is here to keep your bike running at its best long after you’ve taken it home. From routine servicing to performance tuning, our qualified mechanics ensure your ride stays smooth, safe, and ready for every adventure. Whether it’s your first free service or future maintenance, you can count on Alchemy Cycle Trader for trusted support and expert care. Learn more about our workshop services.