Procaliber AL Frameset | Trek Bikes (CA)
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2019

Procaliber AL Frameset

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$1,429.99 Model 21920

Procaliber AL Frameset is a race-worthy cross country mountain bike with the unique advantage of IsoSpeed, a decoupler at the top tube/seat tube junction that provides additional compliance on rough trails. This Alpha Platinum Aluminum frameset is a wallet-friendly start to a lightweight XC build for your fastest singletrack rides ever.

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It's right for you if...

You like to go fast, and also love the idea of a hardtail with frame tech designed to take the edge off rough singletrack. Speed is your main consideration, but comfort is right up there, too.

The tech you get

A lightweight Alpha Platinum Aluminum frame with IsoSpeed, a tapered head tube, and internal derailleur routing. Procaliber AL Frameset includes a headset, and is designed for a PF92 bottom bracket, disc brakes, and Boost148 wheels.

The final word

Procaliber AL is a lightweight aluminum mountain bike frameset built in Trek's trail heritage. It's fast, responsive, and it comes in at a great value, but the biggest advantage is the trail-smoothing IsoSpeed decoupler, which takes the edge off fatiguing bumps in the trail so you can stay stronger longer.

favorite_borderWhy you'll love it

  1. Smooth IsoSpeed decoupler: ride faster, stronger, longer
  2. Boost148/110: stronger wheels, more tire clearance, shorter stays
  3. Superlight hydroformed aluminum frame is built for speed
  4. Ride the fastest wheel that fits with Smart Wheel Size

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Features

Specifications

  • Frameset

    Frame
    Alpha Platinum Aluminum, IsoSpeed, tapered head tube, internal derailleur routing, balanced post mount brake, PF92, Boost148, G2 Geometry on 29ers
  • Drivetrain

    Bottom bracket
    PF92
  • Components

    Head set
    FSA IS-2, 1-1/8˝ top, 1.5˝ bottom
  • Weight

    Weight
    17.5˝ - 2.00 kg / 4.4 lbs
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
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

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorized Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

 

Rider Height

Inseam

All measurements provided in cm unless otherwise stated.

Frame size number Wheel size A — Seat tube B — Seat tube angle C — Head tube length D — Head angle E — Effective top tube F — Bottom bracket height G — Bottom bracket drop H — Chainstay length I — Offset J — Trail K — Wheelbase L — Standover M — Frame reach N — Frame stack
13.5 in 27.5" 34.3 73.0° 10.0 69.0° 54.1 30.2 4.8 42.5 4.4 8.7 103.7 73.5 37.0 56.3
15.5 in 27.5" 36.8 73.0° 10.0 69.3° 55.8 30.2 4.8 42.5 4.4 8.5 105.3 75.3 38.2 56.3
17.5 in 29" 41.9 72.5° 9.0 69.5° 59.9 31.1 5.8 43.5 5.1 8.3 109.8 75.0 41.2 59.5
18.5 in 29" 44.4 72.3° 9.0 69.5° 61.7 31.1 5.8 43.5 5.1 8.3 111.3 76.4 42.7 59.5
19.5 in 29" 47.0 72.0° 10.0 69.5° 63.8 31.1 5.8 43.5 5.1 8.3 113.2 77.8 44.2 60.4
21.5 in 29" 52.1 72.0° 12.0 69.5° 65.9 31.1 5.8 43.5 5.1 8.3 115.4 81.6 45.7 62.8
23 in 29" 55.9 72.0° 12.0 69.6° 67.3 31.1 5.8 43.5 5.1 8.3 116.6 84.7 47.1 63..2

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