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  • Formula RO Disc Brake
  • Formula RO Disc Brake
  • RRP$393.49
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Formula R0 Disc Brake 2012

RO - The only brake with oval caliper pistons! The RO is the newest brake from Formula, combining top brake performance with the elegant looks of an Italian design. The new and unique oval piston technology allows a compact caliper design increasing the piston size by 18% in comparison to The One. With just 361 grams the RO sets the benchmark for brake power and performance at a XC brakes weight.

"Only DOT 4 fluid can be used on formula brakes"

Read the BikeRadar verdict here. "★★★★☆ -"The most powerful brake we’ve ever tested, and light enough for trail use"


  • Optimized forged “semi”- radial MC design improves ergonomics and lever ratio
  • High capacity, integrated reservoir
  • Removable handlebar clamp
  • Flip-flop master cylinder assembly
  • Forged lever blade with integrated tool-free reach adjust
  • Hard anodized MC piston
  • Laser etched logo


  • Forged one-piece post mount style caliper
  • Worldwide unique oval piston technology
  • Top and bottom vented caliper body for maximum cooling and performance
  • Additional bleeding port simplifie the bleeding process
  • Top-loading pads simplify pad changes
  • Laser etched logos


  • MC body: Polished / anodized
  • Caliper body: Polished / anodized with black cap
  • Lever blade: Polished / anodized with black cap
  • FCS: Polished / anodized with black cap
  • TFRA: Polished / anodized with black cap
  • Hose: Black: 100cm front/ 165cm rear
  • Brake pad: Sintered
  • Mounting: Standard PM 6"
  • Weight: 361 grams (PM - including 850 mm hose,160 mm rotor, complete hardware)

Buy Formula Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.

  • Colour: Silver
  • Option: Front, Rear
Rated 5 out of 5 by 3 reviewers.
Rated 5 out of 5 by Amazing power I recently purchased and installed this Formula RO brake to replace my xtr trail brake, because I want more power. Before I purchased this I was looking at buying shimano saint m820, However the deciding factor for me its weight, easier to bleed and the quality. 31 May 2014
Rated 5 out of 5 by Get ready to say goodbye to your retinas! These things are brutal! Real confidence givers, knowing you can stop pretty 'darn' quick when the need arises. Give them a bleed out of the box, Formula couldn't be a**ed with mine. You will need to order spare pads, they will wear out on your way to the shops! Pricey, but if you want the ability to stop dead faster than hitting a brick wall, then these are the puppies to buy with your grans savings! 21 March 2012
Rated 5 out of 5 by Awesome udpate of the ONE I own these brakes now for 2 month and have done several rides. The braking is extremly powerful and can be very good dosed (is this englisch?). Compared to the ONE, which I rode for two years, the RO is 50 gr more heavy but owns therefore the FCS-Adjustment and the tool free reach adjust (ONE was without these option on my scale). FCS works great and the reach adjust offers a hugh range of adjustment.The complete brake seems more resistant than the ONE (for example bigger brake levers.) I strongly recommend this brake! 19 January 2012
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