SHIMANO pulley mounting bolt (2 pcs) for RE-6700

Description

Precise shifting often comes down to details you don’t notice at first glance. SHIMANO pulley mounting bolt (2 pcs) for RE-6700 is a small part that can determine whether your rear derailleur runs quietly, without play, and reliably even under higher load. When the pulley is seated correctly, the bike simply feels “dialed in.”

Main benefits

This set serves as replacement pulley bolts for the Shimano Ultegra rear derailleur and is intended for situations where the original bolt is worn, damaged, or has been lost during service. Thanks to its precise fit for specific derailleur generations, it helps maintain proper seating of the guide and tension pulleys, which has a positive effect on chain smoothness. You’ll also appreciate that the package includes 2 pieces—a solution for both the upper and lower pulley without the hassle of sourcing additional parts. It’s a practical component for anyone who wants to keep drivetrain service under control and not rely on universal substitutes.

Technical specifications

The part’s technical designation is Y5X998070, which makes it easier to select the correct replacement from the Shimano catalog and in the workshop. The bolts are designed to secure pulleys in rear derailleurs Shimano Ultegra RD-6700, RD-6770, RD-6800 and RD-6870. For correct position assignment, note that the thread for the upper pulley is 10.5 mm for the upper pulley and the thread for the lower pulley is 12.5 mm for the lower pulley. The package contains 2× pulley mounting bolt, exactly what is typically needed to replace both positions.

Conclusion

SHIMANO pulley mounting bolt (2 pcs) for RE-6700 is a simple but important replacement part for the proper function of the Ultegra rear derailleur. If you’re dealing with pulley service, play, or damaged mounting, this original compatible set is a sure bet for clean, calm shifting.

Key features

• Original Shimano part with designation Y5X998070
• Designed for derailleurs Ultegra RD-6700 to RD-6870
• Two bolts for the upper and lower pulley
• Thread 10.5 mm for the upper pulley
• Thread 12.5 mm for the lower pulley

EAN: 4524667360766