CeramicSpeed OSPW System for Shimano Dura‑Ace R9200 & Ultegra R8100 (3D printed Ti)

The CeramicSpeed OSPW (Oversized Pulley Wheel System) for Shimano Dura‑Ace R9200 and Ultegra R8100 is a premium drivetrain upgrade designed to reduce friction and help your rear derailleur run more efficiently. Built around a 13‑tooth upper and 19‑tooth lower oversized aluminium pulley combination, this system is engineered to optimise chain path and reduce energy loss compared with standard jockey wheels—an upgrade often chosen by performance riders, time triallists, and cyclists building a top-tier road bike for racing, fast bunch rides, and endurance training.

For riders in Brisbane, Queensland and across Australia, the OSPW is a popular “marginal gains” component when you’re already investing in high-end bike parts, Di2 drivetrain tuning, and professional bicycle service. It’s especially relevant if you’re chasing quieter running, consistent shifting, and the kind of drivetrain feel that stays crisp under load during long rides and high-cadence efforts.

Purpose-built for R9200 & R8100 (not cross‑compatible with 9100)

Although it may look similar to earlier generations, this OSPW is specific to the Shimano 9200/8100 platform. CeramicSpeed notes differences in spring tension settings, stop tower placement, and mounting pin depth, which is why 9100-series OSPW systems are not interchangeable with 9200-series units. This version includes an integrated stop tower designed to simplify installation and improve durability during real-world riding.

Bearings, durability and warranty options

Each pulley comes fitted with handbuilt CeramicSpeed bearings. You can typically choose between standard bearings or coated bearings depending on your build goals. The system includes a 4-year warranty as standard, and CeramicSpeed offers a lifetime warranty when you choose coated bearings (per the product’s warranty terms).

Installation notes for Shimano R8100 vs R9200

• Ultegra R8100: the cage uses the factory derailleur body washer.
• Dura‑Ace R9200: installation requires the included derailleur body washer (provided in the kit).

For best results, many riders have this installed during a drivetrain service or Di2 setup appointment, where a workshop can check chain length, derailleur alignment, hanger condition, and shifting adjustment—especially important if you’re also changing cassette, chain, or chain wax/lube systems.

Performance claims (as stated by CeramicSpeed)

CeramicSpeed states the OSPW can deliver significant drivetrain efficiency improvements versus stock pulley setups, and that oversized pulley wheels can offer a longer service life than standard pulleys. Actual results can vary depending on riding conditions, chain lubrication, maintenance frequency, and drivetrain cleanliness.

What’s in the box

• Complete OSPW System with 13T upper / 19T lower pulleys
  • (Some variants may be offered as a 3D printed Ti OSPW System, depending on the model selected)
• CeramicSpeed Bearing Oil (15 ml dropper bottle)