bicycle jockey wheel pulley for speed gear set Mountain bike or Road Bike pulley Speed Rear Derailleur Wheel
description Product
* Weight 11T rear RD şûşekişî: 9g
* Material: alloy AL7075-T6 bafûn bęşidandin CNC
* Size Installation: 6MM / 5mm / 4MM
*outside diameter 42mm
* Color: Anode sor, ronê, şîn, zêr, titanium
* Bearing: Ball Steel Bearing / Bearing Seramîk
* Minasib ji bo: Hemû transmissions adetî
* Ev berhema ku ji AL7075-T6 bar dora CNC kir, bi kêrê diamond qedand, diamond-wekî nîgarê metal û xuyabûna vê berhemê baş in. Pesindkirina Japanese derhanîn çermê ball polayê de, rotation has no berxwedan, ku gelek berxwedana frictional kêm dike û ji bo pêşvebirna berevpêşbirina riding de.
This is the most conventional RD pulley, but with much improved material, appearance, process and assembly.
For very little cost, you can have a much better product than the original ones.