Rear Derailleur Pulley Fluid Shifting 11T Idler Wheel Mountain Bike Guide Pulley Wear-Resistant Cycle Idler Wheel Lightweight

Long-Lasting Construction: Crafted from high-strength aluminum alloy using CNC machining, this essential cycle component is anodized for enhanced hardness, wear durability, and rust protection, ensuring long-lasting performance on any trail.

Fluid Performance: Engineered for performance, this drivetrain part features a sealed steel bearing that is pre-lubricated for exceptionally fluid rotation, significantly reducing drag and improving your bike's overall drive system performance.

Optimized Design: The lightweight, hollowed-away design of this rear derailleur pulley not only reduces the overall weight for a faster ride but also helps to quickly shed mud and water, maintaining fluid function in any condition conditions.

Enhanced Stability: Featuring a deep-tooth shape, this cycle idler wheel securely engages the chain, effectively preventing chain drop during shifts and ensuring a more stable and reliable gear change every time you trip

Wide Compatibility: This versatile mountain bike guide pulley is designed to be compatible with most 11T and 13T rear derailleur systems and includes 4mm and 5mm adapter sleeves, making it a straightforward enhance for a wide range of mountain and street bikes.