Shimano 105 RD-5800-GS Replacement Jockey Wheels 11-Speed

Upgrade your Shimano 11-speed drivetrain with precision-engineered rear derailleur pulley assemblies designed to enhance performance and reliability on every ride. Whether you’re tackling technical mountain trails or conquering long-distance road routes, these pulley systems deliver smoother shifting and quieter operation under demanding conditions. Crafted for seamless compatibility with Shimano’s 11-speed groupsets—from Deore to Ultegra—this assembly ensures flawless integration without requiring adjustments to your existing setup.

Engineered with durable aluminum construction and optimized pulley geometry, these assemblies reduce friction and wear on your chain and cassette while maintaining consistent tension across all gears. Perfect for cyclists seeking faster acceleration on climbs or precise gear transitions during high-speed descents, they’re built to withstand the rigors of daily commutes or weekend adventures alike. The lightweight design minimizes rotational inertia for snappier shifts, while the reinforced cage structure prevents misalignment even after prolonged use.

Why choose Shimano-compatible pulley assemblies?
– Scene-Specific Performance: Ideal for road racing, gravel grinding, or off-road exploration where reliability matters most
– Long-Term Value: Extend the lifespan of your drivetrain components through reduced wear
– User-Friendly Installation: Drop-in replacement for easy upgrades without professional assistance

Designed for riders who demand flawless precision whether pedaling through urban commutes or challenging trail systems, these pulley assemblies offer a seamless upgrade path for maintaining peak performance in your cycling setup.