Parlee TTiR Disc

Parlee TTiR Disc
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2017 Parlee TTiR Disc

Parlee is a trailblazer this year with their brand new for 2017, TTiR, the first triathalon bike to have both front and rear disc brakes- ever. But is having disc brakes on a tri bike even a good idea? Parlee conducted several studies and the proof is there in the data. Having disc brakes on a tri bike is an excellent idea.

In wind tunnel studies, the new TTiR performed similarly to the old TTiR at shallow yaw angles. But at steeper angles it outperformed the old TTiR. On the road the old TTiR was faster and more efficient than the competition in a large range of riding conditions and the new TTiR is even faster. So if disc brakes perform better than calipers, why aren’t they used?

Disc brakes haven’t caught on because people think they are less aerodynamic. With disc brakes you increase the surface area exposed to the wind. And in a triathlon that can mean lost seconds. But you have to look at the whole picture. The area above the tire is clear and the cabling is cleaner so you offset the drag caused by the brakes with gains elsewhere.

Having disc brakes has several advantages. To start, an advantage of disc brakes is that you remove the need to make any brake adjustments. Adjusting the brakes for different wheels was always a headache on older rim brake aero frames. Now you remove that source of frustration completely. Another advantage of having disc brakes with thru axles is the ease with which you can change tires. In a triathlon this is critical. On traditional tri bikes the back tire is difficult to remove due to having rear facing horizontal dropouts, causing lost time in the race. With thru axles this problem is gone. In fact with thru axles the time to swap out a tire has been shaved down to 2 to 3 minutes.

And then of course there’s the stopping power of the brakes themselves. Let’s face it, that’s the real reason people go with disc brakes. They stop equally well in any condition, whether the sun is shining or the rain is pouring.

  • Frame: Parlee carbon
  • Fork: Parlee TTiR carbon, integrated crown race, hidden cabling, flat mount disc brakes
  • Rear Stay: Carbon
  • Fork Axle: 12mm Thru x 100mm
  • Steerer Tube: 1 1/8” - 1 1/4”
  • Headset Included: Yes, integrated Cane Creek
  • Bottom Bracket Type: Press Fit 30
  • Cable Routing: Internal, mechanical or electric
  • Front Derailleur Mount: Braze-on
  • Front Derailleur Pull Type: Bottom pull
  • Front Derailleur Swing Type: Bottom swing
  • Wheel Size: 700c
  • Brake Type: Disc, flat mount
  • Seatpost Diameter: Aero
  • Seatpost Included: Yes
  • Seat Collar Included: Yes
  • Rear Axle: 12mm Thru x 142mm
  • Sizes: 49cm SM | 51cm MD | 53cm ML | 55cm LG | Custom geometry available +$1000
  • Colors: Black Red Keyline (stock), Black Aquada Blue (custom finish +$300), Black White (custom finish +$300)
  • Weight: 1150g | 2.54lbs

  • If you have any questions about this frame or bike, please contact our Parlee Team:

    Steven Barcikowski
    Toll Free: 866-497-3624 ext. 207
    International | Direct +1 510-529-3052

    Chris Ginsburg
    Toll Free: 866-497-3624 ext. 213
    International | Direct +1 510-529-3055

    * Individual experiences and results may vary.

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