Rear Derailleur Pulley, ycle Ceramic Bearing Rear Transmission 11T/13T Road Mountain Bike Pulley Guide Roller Black/Gold 1 Pair(13T Black)

• [Suitable replacement for] - This ycle guide pulley is suitable replacement for the use of 4/5/6 mm guide wheel screws. Can be used replacement for most mountain bikes. Support replacement for various gear changes.
• [Function] - This derailleur roller with support wheel is used on the derailleur replacement for chain transport and replacement for speed changes. Provides you a better cycling experience.
• [Beautiful Appearance] - The beautiful colors of Black Golden to match your ycle rear derailleur. Great decoration replacement for your bike.
• [Package included] 2 * ycle guide pulley, 2 * installation hole adapter tubes. If you have any problem, just contact us, we will give you the best solution.
• [Package included] 2 * ycle guide pulley, 2 * installation hole adapter tubes. If you have any problem, just contact us, we will give you the best solution.
• [Package included] 2 * ycle guide pulley, 2 * installation hole adapter tubes. If you have any problem, just contact us, we will give you the best solution.
• [Package included] 2 * ycle guide pulley, 2 * installation hole adapter tubes. If you have any problem, just contact us, we will give you the best solution.
• [Package included] 2 * ycle guide pulley, 2 * installation hole adapter tubes. If you have any problem, just contact us, we will give you the best solution.
• Adopting aluminum alloy and ceramic material, to use.
• -bearing wheel pulley adopts aluminum alloy and ceramic material. Aluminum alloy construction is rust and corrosion resistance, replacement for long time use.

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