- Components
- Derailleurs, rear cages & jockey wheels
- ceramicspeed ospw aero system coated shimano 9100 8000 pulley wheels black
ceramicspeed ospw aero system coated shimano 9100 8000 pulley wheels black
- Ospw aero for Shimano 9100/9150 and 8000 ss/8050 ssthis is an updated version of the oversized pulley wheel system for Shimano 9100/9150 and 8000 ss/8050 ss. Mounting instructions for both this and the older version are to be found under our support section. This new design has an integrated stop tower for easier mounting.The ceramicspeed oversized pulley wheels system has been proven to be the fastest pulley system in the world, providing energy savings starting from 2.4 watts over standard Shimano systems.The ospw system for Shimano 9100/9150 and 8000 ss/8050 ss is an industry leading product, chosen by many of the world's leading cycling teams and professional triathletes.Featuring a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimisation of the rear derailleur. The upper and lower oversized aluminium pulley wheels come fitted with either standard or coated ceramicspeed bearings.Please note: the ospw system for 9100/9150 and 8000 ss/8050 ss is not compatible with Ultegra 8000-gs or 8050-gs (medium cage) derailleurs, nor with the clutch equipped Ultegra rd rx800 & rx805. Please see our ospw x for Shimano rx800/805 for a compatible rx800 & rx805 version. For a compatible upgrade for Ultegra 8000-gs or 8050-gs please see our pulley wheels for shimano, 11s nw.Please note while there is design similarities this ospw is not compatible with the 12-speed Shimano 9200 or 8100 series derailleurs.The Shimano 9100/8000 ospw system is compatible up to a 32 tooth cassette for both Dura Ace & Ultegra derailleurs.In the boxcomplete 13-tooth/19-tooth ospw system.Ceramicspeed oil for pulley wheel bearings, 15ml. Dropper bottle.Co-developed with simon smart and drag2zero.
How does shipping work in the UK?
For smaller items (excluding bikes) We offer a variety of shipping options within the UK. Giving you the choice on your shipping time. You'll see 3 options on shipping times and prices from Royal Mail on our checkout page, each will require a signature on delivery.
The 3 options are:
Royal mail Tracked 24 - 1 to 2 working days
Royal mail Tracked 48 - 2 to 4 working days
Royal mail Special Delivery (Before 1pm) - Next Working Day
For complete bikes we offer 2 options:
Bike Delivery (Boxed) - 4-6 working days
Bike Delivery (Built) - 7-10 Working Days
International shipping. What to expect.
We ship worldwide, and international shipping usually goes smoothly.
Please note that you’ll be responsible for any duties or taxes once your order arrives in your country. The carrier will typically contact you to complete the necessary steps for delivery—this often includes paying applicable fees or taxes.
All imported goods must go through customs, which is entirely outside of our control. This process can take anywhere from a few hours to several weeks, depending on your country’s regulations.
Once your order ships, you'll receive a tracking number. We see the same tracking updates that you do, so we recommend keeping a close eye on them to stay informed.