Must Quality ZTTO MTB 11T 13T CNC Bicycle Rear Derailleur Jocke y Wheel Steel Bearing Pulley AL7075 Road Bike Guide R...

🔥 ZTTO MTB 11T 13T CNC Bicycle Rear Derailleur Jocke y Wheel Steel Bearing Pulley AL7075 Road Bike Guide Roller Idler 4mm

ZTTO Bicycle Rear Derailleur Pulley Jockey Wheel
All the results of the simulations and the experimentations indicated that the ceramic ball bearings' performances are very good, especially in the low load and high-speed environment.
Size:11T/13T
Structure:steel bearing
Material: aluminum alloy 7075
Package: 1pc pulley
Color: Black, Red, Blue, green, Gold, purple, colorful
Weight: 11T about 11g
13T about 13g
Fit for 4/5/6 MM roller screw axis
Apply for most of rear derailleur on the market
ZTTO Steel Bearing Pulley
Suitable for all cycling applications, whether it is road, MTB, or triathlon, these pulley wheels will optimize your speed rear derailleur with reduced friction and extended lifetime. Being the fastest spinning bearings on your bike, an upgrade with our high-performance pulley wheels are an effective way to save energy or ride faster.
Aluminum Pulley Wheels
Weighing only astonishing 7.8g grams, these lightweight pulley wheels are fitted with hybrid ceramic bearings, which reduce friction and feature increased lifetime. The aluminum alloy is very durable, and together with the pulley design, the set optimizes the overall performance of your derailleur. The removable design also makes the maintenance much easier.
Note
*Color: Due to the light or display difference, the color of the product you received might be a little difference from the pictures. That is not a quality issue.
*Size & Weight: Due to the measure error or insrumental error, the weight and size of the product might have a minor difference to the discription. That is not a quality issue too.
*Service: We are professional bike mechanics and good at English, so if you have any problem when you set up your products, please feel free to contact us. If you need a large amout of products, please contact us too. We will give you a discount. Don't jump it a bad review, before you want to do that, just contact us and i think we will find a way to solve the problem.. We have both local and oversea warehouse. Location of item depending to local availability. If no stock item will be ship from overseas