Feature(may vary by option.)

●Adopting aluminum alloy and ceramic material, this product is very durable to use.
●Can be applied for most mountain bike.
●Suitable for use 4 / 5 / 6 mm guide wheel screws.
●Supporting for various speed shifting.
●Offers you a better cycling experience.Welcome to inquire

[13T Golden]

Description

Specifications:
Item: Bike Guide Roller
Material: Aluminum Alloy + Ceramic
Colour: Black, Golden (Optional)
Diameter: 4 cm / 1.6 inch (11 T), 5 cm / 2.0 inch (13 T)
Weight: 21-23 g
Package Included:
2 * Bike Guide Roller
2 * Installation Hole Adapter Tubes
(Other things on the pictures are not included)