Factory Cheap Hot Bike Pedals - Special Design for 26" Hummer Folding Electric Bike With 36v 12ah Lead Acid Battery Ce – Kactus Sports

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Bicycle Rear Derailleur Pulley MTB Road Bike 17TS For Shimano

Product description

*17T large size guide wheel set system

*Saves 60% chain friction resistance compared to 11T guide wheels”

*Ceramic bearing version saves more than 2.4 watts of average power compared to the original shifting system

*Full carbon fiber cage

*Full 7075 aluminum alloy CNC cutting lightweight guide wheel and shaft pin

*17TS is suitable for Shimano 5800/5700/4700 /4600 105/Tiagra

*Ceramic Bearing Version Stainless Steel Hybrid Ceramic Bearing Version Steel Bearing Version

*Weight: 71.4g

*The ceramic Bearing version is 1.2 grams lighter than the steel Bearing version

Product Information

Why replace derailleur pulley wheel

Firstly, porous spring position limit could adjust back tension largely, improve the weakness of original weak stretch, and make the up and down chain tension between guide wheel and cogs much more adequately.

Secondly, the contact tooth number or control tooth number between chain and cogs of rear derailleur 17T is more during gear shifting, it just like to pinch the middle and two sides of some sticks, the larger the control lever, the stronger the control power.

Lastly, after redesign the cage’s rotation curve, the distance between upper guide wheel and the cogs is improved.

Installation steps

1.Remove the rear derailleur pulley wheel cage: Remove a hex screw on the side of the base of the pulley wheel cage using a No. 2 hex wrench. (The original pulley wheel cage has been removed in the photo)

2.Remove the hex screw, take out of the original pulley wheel cage and spring. (The original pulley wheel cage has been removed in the photo)

3. 17T carbon fiber pulley wheel cage, you can see 8 holes, marked in 1 to 4 is tension adjustment hole, the other four for reduce weight. The default initial mounting is hole 2. (tension: 4>3>2>1)

4.Install the selected spring mounting holes at the spring pins. The stainless-steel shaft on the pulley wheel cage should be greased before installation.

5.Push the pulley wheel cage into the hole of rear derailleur.

6.Rotating pulley wheel cage, setting pulley wheel cage rebound limit screw block in the rear derailleur.

7.Push the pulley wheel cage fully into the base of the rear derailleur.

8.Insert the hex screw into the hole on the side of the base of the rear derailleur using the No. 2 hex wrench.

9.Tighten the screw.

10.Repeated rotation pulley wheel cage, confirm the rebound smoothly, the installation is complete.