Shimano 105 RD-5800-SS 11-Speed Rear Derailleur Pulley Set Size (US)_12 durable aluminum alloy construction to

durable aluminum alloy construction to ensure long-lasting performance in demanding mountain biking conditions

quick-drying synthetic fibers for optimal performance during intense rides and activities

- Easy-to-use hex head facilitates quick adjustments and secure fastening

Innovative insights into Utah's diverse terrain

durable Surly Chromoly steel frame and fork crafted from proprietary 'Natch tubing with double-butted main triangle for enhanced strength and compliance

Shimano 105 RD-5800-SS 11-Speed Rear Derailleur Pulley Set Size (US)_12 durable aluminum alloy construction toUpgrade your cycling performance with the Shimano 105 RD 5800 SS 11 Speed Rear Derailleur Pulley Set an essential component designed to optimize shifting efficiency and drivetrain durability. Crafted with precision engineering, these high quality pulley assemblies seamlessly integrate into Shimano's acclaimed 105 series, delivering smooth, reliable performance on every ride. Materials & Construction: Constructed from durable, lightweight materials,