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  • Shimano RS685 Hydraulic STI Levers & Disc Brake Calipers Set
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ShimanoRS685 Hydraulic STI Levers & Disc Brake Calipers Set

Item # SHI007O

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  • Set, Front and Rear ($699.99)
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Item # SHI007O

Breaking paradigms.

The set of Shimano's RS685 Hydraulic ST Levers and Disc Brake Calipers will bring your Dura-Ace, Ultegra, or 105 11-speed drivetrain into the world of hydraulic disc braking. As the old paradigm of rim brakes continues to lose steam, it's only a matter of time before the majority of road bikes come equipped with disc brakes, stock.

Disc brakes are consistent, regardless of conditions and circumstances. There's no waiting breathlessly for the pads to clear the rim of water or debris before grabbing. There's also no panic when you're caught in the drops and confronted with a sudden obstacle like a darting squirrel or a car in a blind driveway. The brakes will still stop — even if inclement conditions are making every other surface sloppy and you don't have time to get a full purchase on the lever.

Of course, disc brakes aren't yet UCI road legal, which is why these levers get a generic serial number instead of one of Shimano's recognized proper names. We can confirm that, despite the lack of branding, these are the functional equivalent of the current Ultegra models when it comes to conducting your chain up and down your cassette and chainrings.

As if disc braking's confident consistency isn't enough, the RS685 calipers also feature Shimano's IceTech technology. This dissipates heat via cooling fins in the braking pads helping the brakes grab faster while also increasing pad life. While the levers work only for Shimano's 11-speed mechanical groups, the RS685 Calipers included here are actually the same as the RS785 calipers of the electronic shifters, we've just adjusted the name to eliminate any possible confusion.

Tech Specs
Tech Specs
Shimano RS685 11-Speed Shift and Brake Levers
Lever Adjustability
Shimano RS685
Mount Type
Shimano RT99
Rotor Size
140 - 160 mm
Recommended Use
road, cyclocross, gravel
Manufacturer Warranty
2 years

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Unanswered Question

Is RS505 disk brake caliper compatible with RS685 levers?
Interms for cabling, rotor, fluid, etc.

Impressive Upgrade

  • Familiarity: I've used it several times

recently upgraded my cross bike's mechanical disc brake system to the Shimano hydraulic disk..used on an 11 speed Shimano 105.. difference is night and day.. used to hydraulic on mountain bike and road bike and it makes so much more sense to have on my cross bike.. totally pleased and my LBS happily installed (they were the ones who suggested I buy on line since they couldn't obtain them)

Do you have to use the IceTech rotors with these brakes or can you use other rotors?

You can use any rotors that you would like. I am currently using the TRP 140mm rotors.

Is this for the mechanical shifters, but hydro brakes. I just bought a bike with the 105 6800 I think. And I want hydros.

Hey Kam! This is for the hydro brakes and mechanical shifters like you are needing. Feel free to reach out to me if you have any questions!

Can these levers shift the Shimano XT 8000 Rear Derailleur? I am pondering 1x11 setup and would like to use a non-upgradeable 10 speed cassette (and an 42 tooth rear!)

Todd, the cable pull is different for road/mtb shifters. Woolftooth components makes a device "tanpan" $39.95 that allows the road shifters to work with mtb derailleurs.

If you do some google searches on ultegra compatibility, it seems that road shifters can work with the old 9 speed XT/XTR (non-dynasis) derailleurs but those are getting more difficult to find.

does this set include rotors?

Rotors are not included (make sure you get the Ice Tech rotors).

I'm riding the 685 levers on one bike, and love them. Except that one of the hoods constantly moves around under my hand. It's not too fun on a hairy descent, nor is it fun having to constantly tug the hood back into position. Is this a known issue, and is there a fix? I've tried a light adhesive to make the inner surface tacky, and it doesn't do the trick.

Got an update. Shimonoseki has changed the material for the hoods. The LBS that sold you the bike/brake set can get a set free from Shimano for you. They're a royal pain to change, but once fitted it's problem solved.

Can these be rigged to work with 10 speed Ultegra?

Unfortunately no, the Lever ratio between a 10 speed derailleur and an 11 speed shifter is different