Features:OOTDTY Made of aluminum alloy, lightweight and durable.
Anti rust and corrosion resistant anodized.
These pulleys run on smooth ball bearings.
A necessary accessory for your . Apply for most of rear derailleur on the market, support 7/8/9/10 speed.
In terms of any problem of this product, you can send emails to us at any for . We will reply you as soon.
Specifications: Material: Aluminum Alloy + Ceramic Bearing
Diameter: 41mm/1.61", 51mm/2", 67mm/2.63"
Color: 11 Black/11 Red/11 Blue/11 Green/13 Black/13 Red/17 Black/17 Red
Package Includes: 1x for JOCKEY Wheel
Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.
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