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2018

Domane ALR 5 Disc

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$1,889.99 Model 21571
Domane ALR 5 Disc is a step up in disc road bike performance at an exceptional value. A lightweight aluminum frame, full 11-speed Shimano 105 groupset, wider tires, and rear IsoSpeed make it a great buy for riders looking for dependability, stability, speed, and adventure.
Domane ALR 5 Disc is a step up in disc road bike performance at an exceptional value. A lightweight aluminum frame, full 11-speed Shimano 105 groupset, wider tires, and rear IsoSpeed make it a great buy for riders looking for dependability, stability, speed, and adventure.
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It's right for you if...

Speed, stability, and adventure are all things you search for on a ride, and you want a comfortable bike that stands up to your exploration aspirations. You recognize value in dependability, and you're willing to pay a little more for a lot more performance. 

The tech you get

A lightweight aluminum frame with IsoSpeed and 12mm thru axles, carbon IsoSpeed fork, 11-speed Shimano 105 groupset, wide-range 11-32 cassette that's great for climbing, hidden fender mounts, flat mount hydraulic disc brakes for all-weather stopping power, and 700x32 tires for added stability and traction.

The final word

Domane ALR 5 Disc is our highest-end aluminum disc road bike. You're paying for versatility, but you're getting a lot more than that, too—including an 11-speed Shimano 105 drivetrain that's a major upgrade in both weight and performance over introductory Shimano groupsets.

favorite_borderWhy you'll love it

  1. The full Shimano 105 groupset is lighter, more precise, and more reliable than what's available on our introductory Domane models, and it's only a small jump in price to get it
  2. This bike is built to explore: it comes stock with powerful hydraulic disc brakes, rear IsoSpeed, front and rear 12mm thru axles for more responsive handling, and wider 700x32 tires for extra stability on gravel and rough road surfaces
  3. A lightweight frame and quality parts make it a totally appropriate platform for fast group rides
  4. No one likes ugly welds: Invisible Weld Technology for seamless looks and lighter weight

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Features

Specifications

  • Frameset

    Frame
    200 Series Alpha Aluminum, IsoSpeed, Invisible Weld Technology, E2 tapered head tube, BB86.5, flat mount disc brakes, 12mm thru axle, hidden fender mounts, DuoTrap S compatible
    Fork
    Domane carbon, E2 steerer, flat mount disc brakes, 12mm thru axle, hidden fender mount
  • Wheels

    Front hub
    Bontrager alloy sealed bearing, 12mm thru axle
    Rear hub
    Bontrager alloy centerlock, 142x12
    Rims
    Bontrager Tubeless Ready
    Tires
    Bontrager R1, 700x32c
  • Drivetrain

    Shifters
    Shimano RS505, 11 speed
    Front derailleur
    Shimano 105
    Rear derailleur
    Shimano 105
    Crank
    Shimano 105, 50/34 (compact)
    Bottom bracket
    Press Fit BB86.5
    Cassette
    Shimano 105, 11-32, 11 speed
    Chain
    Shimano 105
    Pedals
    Not included
  • Components

    Saddle
    Bontrager Affinity Comp, chromoly rails
    Seatpost
    Bontrager alloy, 2-bolt head, 27.2mm, 8mm offset
    Handlebar
    Bontrager Race VR-C, 31.8mm
    Grips
    Bontrager tape
    Stem
    Bontrager Elite, 31.8mm, 7 degree, w/computer & light mounts
    Headset
    Integrated, cartridge bearing, sealed, 1-1/8˝ top, 1.5˝ bottom
    Brakeset
    Shimano RS505 flat mount hydraulic disc
  • Weight

    Weight
    56 cm - 9.48 kg / 20.90 lbs
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based off Trek pre-production painted frames at time of publication. Weights may vary in final production.

Sizing & fit

The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local Trek retailer.

 

Rider Height

All measurements provided in cm unless otherwise noted.

Frame size number A Seat tube B Seat tube angle C Head tube length D Head angle E Effective top tube G Bottom bracket drop H Chainstay length I Offset J Trail K Wheelbase L Standover M Frame reach N Frame stack Saddle rail height minimum Saddle rail height maximum
50 cm 45.0 74.6° 13.0 71.1° 51.9 8.0 42.0 5.3 6.0 99.6 71.6 36.8 54.6 58.5 68.0
52 cm 47.5 74.2° 14.5 71.3° 53.0 8.0 42.0 5.3 5.9 100.3 73.5 37.1 56.1 61.5 71.0
54 cm 50.0 73.7° 16.0 71.3° 54.2 8.0 42.0 5.3 5.9 101.0 75.4 37.4 57.5 64.0 73.5
56 cm 52.5 73.3° 17.5 71.9° 55.4 7.8 42.0 4.8 6.1 100.8 77.6 37.7 59.1 67.0 76.5
58 cm 54.8 73.0° 19.5 72.0° 56.7 7.8 42.5 4.8 6.0 102.2 79.6 38.0 61.1 69.0 78.5
60 cm 56.7 72.8° 22.0 72.1° 57.9 7.5 42.5 4.8 5.9 103.2 81.7 38.3 63.2 71.0 80.5
62 cm 58.6 72.5° 24.5 72.1° 59.3 7.5 42.5 4.8 5.9 104.2 83.5 38.6 65.6 73.0 82.5

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