1. [SUPERIOR PERFORMANCE] Experience seamless speed shifting capabilities with the 15T Bike Aluminium Alloy Guide Roller. This innovative design enhances your cycling performance, making every ride smoother and more efficient for a better overall experience.
2. [UNIVERSAL COMPATIBILITY] Whether you're riding a mountain bike, road bike, or folding bike, this guide roller is versatile enough to fit most bicycle . Enjoy the freedom of improved functionality across various biking styles with ease.
3. [DURABLE & LIGHTWEIGHT] Crafted from aluminum alloy and ceramic materials, this guide roller ensures durability without the added weight. The lightweight design allows for effortless cycling, while the strong construction enhances longevity, making it a great investment.
4. [CERAMIC BEARING TECHNOLOGY] Equipped with advanced ceramic bearings, the guide roller guarantees unparalleled strength and smooth operation. The ceramic material not only reduces friction but also ensures that this product stands the test of time, keeping you on the trail longer without maintenance worries.
5. [HASSLE-FREE INSTALLATION] Enjoy a quick and easy setup with the included installation accessories. The straightforward design allows you to install the guide roller in minutes, so you can get back to riding faster without the frustration of complicated instructions.

Spec:
Item Type: Rear Guide Roller
Material: Aluminum Alloy + Ceramic
Color: As shown in the picture
Specification: 15T
Length Size: Approx.55mm / 2.17in
Installation Size: Approx.6mm / 0.24in axes
Small Size: Approx.4mm / 0.16in
Large Size: Approx.5mm / 0.20in

PackageList:
1 x Rear Guide Roller
2 x Accessories

Notice:
1. Please allow 1‑2mm error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.