Kogel Bearings

Shimano R9100 12/14T Oversized Pulley Set - Cross Seals

Kogel Bearings brings precision performance to the drivetrain with the Shimano R9100 12/14T Oversized Pulley Set – Cross Seals, designed for riders who demand smooth efficiency and durability in every gear. By increasing pulley size and refining tooth design, this set reduces drivetrain friction and sharpens shifting accuracy, helping every watt of power go further on the road or trail.

Built around Cross Seals, these pulleys thrive in all-weather conditions—mud, grit, or rain are no match for their sealing system. Stiff A-shaped pillars between the bearings and pulley teeth add strength and stability, while the updated design delivers a cohesive, high-performance look that complements modern drivetrains.

• Oversized 12/14T pulley wheels reduce friction and boost drivetrain efficiency.
• Cross Seal system keeps contaminants out for long-lasting, reliable performance in any conditions.
• A-shaped reinforcement pillars enhance stiffness and shifting precision.
• Optimized tooth profile ensures smooth, accurate chain engagement on every shift.
• Clean, cohesive aesthetic matches high-end drivetrain components for a pro-level finish.

Ideal for riders who want to upgrade their Shimano R9100 setup with a balance of speed, strength, and durability, the Kogel Bearings Oversized Pulley Set delivers the kind of performance that makes every ride feel smoother and faster.