ZTTO MTB Bicycle Rear Derailleur Jockey Wheel 11T 13T Steel Bearing Pulley AL7075 CNC Road Bike Guide Roller Idler 4mm 5mm 6mm

ZTTO 11T/13T Bicycle Rear Derailleur Steel Bearing

Pulley Jockey Wheel

Size:11T/13T

Structure: Steel bearing

Material: aluminum alloy 7075

Color: Black/Red/Blue/Gold/Green/Purple

Weight:
11T about 11.4g

13T about 13.7g

Fit for 4/5/6 MM roller screw axis

Apply for most of rear derailleur on the market

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

These lightweight pulley wheels are fitted with hybrid steel 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.

Weight:

11T about 11.4g, 13T about 13.7g