MTB Bicycle Rear Derailleur Jockey Wheel 11T 13T Steel Bearing Pulley AL7075 CNC Road Bike Guide Roller Idler 4Mm 5Mm 6Mm
ZTTO Bicycle Rear Derailleur Jockey Wheel 11T/13T
All the results of the simulations and the experimentations indicated that the steel ball bearings' performances are very good, especially in the low load and high-speed environment.

Size:11T/13T
Material: aluminum alloy
Weight: 11T about 11.5 g/pc, 13T about 14 g/pc
Fit for 4/5/6 MM roller screw axis
Apply for most of rear derailleur on the market
The choose option pictures just for color reference, The exact teeth is based on the 11T/13T you choose when placing an order.

ZTTO Steel Bearing
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.



Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.