Factory wholesale Bike Chain Guide - 17T Oversized pulley wheel System – Kactus Sports Detail:
High Quality Stylish Design 17T All Set Carbon Fiber Derailleur Pulley

Product description
*Suitable for SHIMANO DA9100 DA9150 R8000 R8050 transmission
*12/17T super large size guide wheel set system
*Saves 45% chain friction resistance compared to 11T guide wheels
*Ceramic bearing version saves more than 2.2 watts of average power compared to the original transmission system
*Full carbon fiber cage
*Full 7075 aluminum alloy CNC cutting lightweight guide wheel and TC4 titanium alloy spindle
*Ceramic bearing version Ceramic Bead Bearing Version NSK Steel Bearing Version
*Weight: 17TH: 55g
*The ceramic bearing version is 1.2 grams lighter than the steel bearing version
Product Information
| Components | Derailleurs |
| Gears | 21 Speed |
| Place of Origin: | Shenzhen, China (Mainland) |
| Color: | Customized |
| Weight: | 55g |
| Rear Derailleur: | Bike Part |
| Type: | Rear Derailleur |
| Compatibility | Shimamo Derailleur System |
| Material: | Carbon Fibre |
| Size: | standard |
| Application: | Bicycle Rear Derailleur Pulley |
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. First,find the screw of pulley wheel cage in the back of rear derailleur.
2. Remove the screw with T10 screwdriver.
3. Pull out the screw.
4. Remove and grease the screw and spring before assembly the new 12-17T carbon cage.
5. We suggest fix the spring in this hole
6. Grease the titanium axle before assemble new cage.
7.Push the spring in the hole.
8. Clockwise rotate the cage and push into rear derailleur. Push all when make sure the positi-oning post right in the position.
9. Push back the screw in the hole and fix with T10 screwdrive.

10. Finsh.
Product detail pictures:





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Our merchandise are commonly recognized and reliable by customers and can meet constantly developing economic and social desires for Factory wholesale Bike Chain Guide - 17T Oversized pulley wheel System – Kactus Sports, The product will supply to all over the world, such as: St. Petersburg, Sheffield, Sevilla, They're durable modeling and promoting effectively all over the world. Under no circumstances disappearing major functions in a quick time, it's a should for you of excellent good quality. Guided by the principle of "Prudence, Efficiency, Union and Innovation. the company make a terrific efforts to expand its international trade, raise its company profit and raise its export scale. We're confident that we are going to possess a vibrant prospect and to be distributed all over the world within the years to come.
The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
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