User Manual Q&AAnswer
Feb 04, 2025 - 02:27 AM
To install the CeramicSpeed Oversized Pulley Wheel System for SRAM mechanical groupsets, follow these steps:
1. Begin with your bike mounted in a stand. Shift to the lowest (smallest) cog and remove the rear wheel. Shift the derailleur to the largest (most open) gear setting for easier access.
2. Using the proper chain tool, remove your chain. When completing the installation of the Oversized Pulley Wheel System, use a new, uncut chain. It is not recommended to add links to a previously ridden chain.
3. Press down on the pulley cage body to access the silver mounting xxxx on the bottom of the derailleur body. Using a Phillips screwdriver, remove the silver mounting xxxx . Slide the xxxx out once it is about 1 cm out and the threads are not engaged.
4. Hold the cage carefully as there is still spring tension on the pulley cage. Gently pull the pulley cage away from the derailleur, allowing it to rotate in a clockwise manner to release the spring tension. Once the cage is around 7 mm out, the rotation stop xxxx will clear off the derailleur body, and the cage will rotate forward until there is no spring tension. Complete removing the pulley cage, being careful not to drop the pulley spring.
5. Using a 2.5 mm Allen key, remove the silver rotation stop xxxx from the OSPW cage. Set it aside for installation later.
6. Apply a small amount of grease onto the cage pivot flange.
7. Note the three spring tension settings on the OSPW cage: H (high), M (medium), and L (low). The L tension setting will reduce both chain tension and friction but may compromise shifting performance slightly. The H tension setting provides the best shifting performance but may increase friction slightly.
8. Align the OSPW cage with the derailleur body. Select the desired spring tension setting and insert the end of the spring into the corresponding hole. Align the opposite end of the spring with the stop hole inside the derailleur.
9. Insert the OSPW cage pivot and tension spring into the derailleur body. The cage should sit flush against the derailleur body. Test the fit by rotating the OSPW cage counterclockwise and back forward. Press the original mounting silver xxxx into the derailleur body until you reach the threads. The OSPW cage is not secured in place yet.
10. Install the original silver mounting xxxx using the Phillips screwdriver. Once a few threads are secured, the OSPW cage should be secured in place. With the cage secured on the silver mounting xxxx , thread the xxxx in until tight (approximately 0.2 Nm).
11. Pull the cage up and backwards (counterclockwise) to add spring tension. While holding the OSPW cage down against the spring tension, locate the rotation stop xxxx mounting hole. Mount the rotation stop xxxx and tighten it to 0.3 Nm.
12. Carefully allow the cage to rotate back until it rests on the rotation stop xxxx .
13. Reinstall the rear wheel, carefully pulling down on the OSPW cage to allow room for the cassette if necessary. Remove the rear derailleur and verify the alignment of the hanger both vertically and horizontally. Reinstall the rear derailleur.
14. In the 'small-small' gear combination, add tension to the B limit xxxx to allow clearance from the upper pulley and the smallest cog. Be sure to check the low and high set screws. Shift to the largest gear in the rear.
15. If the clearance from the upper pulley to the large cog is greater than 8 mm, you need to remove a link of the chain and readjust the B limit in the 'small-small' combination. Once the upper pulley is within 8 mm of the largest cog and does not rub the smallest cog, you have the correct chain length. Note that hanger alignment is crucial for gear shifting performance. It is recommended to use a derailleur hanger alignment gauge to ensure the correct fitting of your OSPW System.
Please refer to the provided instruction manual for more detailed information and illustrations.
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