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2019 Trek

Procaliber SL Frameset

A 27.5″ carbon frame crosscountry frameset.

Manufacturer Price

$2,749
Weight2.5 lbs (frame)  
FrameCarbon
Wheels27.5″
Where to Buy
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Top Comparison
Insights
Sizing
SM

5'0" – 5'5"

MD

5'2" – 5'8"

MD/LG

5'6" – 5'11"

LG

5'9" – 6'3"

XL

6'1" – 6'6"

Rider Fit Notes
  • 6'0", size XL, Just right
Reviews

Summary

The Trek Procaliber is a standout in the cross-country category, praised for its lightweight carbon frame and innovative IsoSpeed decoupler that enhances ride comfort. It offers sharp handling and efficient performance, though some reviews note limitations in steering precision and component groups. The bike is frequently compared to the Specialized Epic Hardtail and Trek's own Supercaliber for its race-ready features.

Pros
  • Lightweight carbon frame with IsoSpeed decoupler

  • Sharp handling and efficient performance

  • Tubeless-ready setup

  • Innovative IsoSpeed technology for enhanced comfort

  • Race-ready features

Cons
  • Limited steering precision in some models

  • Component groups may not match higher-end options

  • IsoSpeed benefits primarily when seated

Key Quotes
The Procaliber 9.7 is one of the best hardtail mountain bikes you can buy for less than four grand.
Bicycling
Building on it’s comfort and the modern geometry of the short-travel Supercaliber, the all-new Trek Procaliber hardtail gets all the right updates.
Bikerumor logoBikerumor
Crosses the finish line first because it’s the fastest bike. Simple.
MBR logoMBR

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Bikerumor
Trek Procaliber w/ IsoSpeed flex becomes a faster, nimbler race mountain bike

Aug 2020 · Tyler Benedict

Building on it’s IsoSpeed equipped predecessor’s comfort and the modern geometry of the short-travel Supercaliber, the all-new Trek Procaliber hardtail gets all the right updates. Modern geometry, cleaner cable routing, and improved steer-ability make it faster than ever. What’s new about the 2021 Trek Procaliber? The geometry’s the biggest change you’re likely to feel. Based […]

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MBR
Trek Procaliber 9.7 review - MBR

Apr 2020 · Alan Muldoon

The Trek Procaliber 9.7 crossed our finish line first because it’s the fastest bike on test. And in XC racing, that’s all that counts.

Highs
  • Speed with comfort

Lows
  • No dropper post

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Bicycling
High Performance and High Value Meet in the Trek Procaliber 9.7

Mar 2020 · Bobby Lea

This hardtail is a lightweight and dependable mountain bike with a carbon frame and wheels.

Highs
  • Bontrager Kovee Elite 23 Carbon, tubeless-ready wheels

  • Lightweight carbon frame with IsoSpeed decoupler

  • 100mm RockShox Reba RL fork with remote lockout

Lows
  • Handlebar is on the narrow side

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Gran Fondo Magazine
Trek Procaliber 9.9 SL Race Shop Limited Review

Dec 2017 · Robin Schmitt

How does a pro-level mountain bike from the XC World Cup compete against a gravel bike? We tested the Trek Procaliber 9.9 SL Race Shop Limited to find out.

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Singletrack World
Review: Trek Procaliber 9.8 SL

Oct 2016 · Wil Barrett

What did Olly think of the Trek Procaliber in the Flat Out Race Bike Group Test? Read his review in full here!

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Flow Mountain Bike
Tested: Trek Procaliber 9.8 SL

Jul 2016

What is it? The Procaliber 9.8 SL comes from a three-tiered lineup of carbon hardtails, Trek’s premium cross country race bike. Used by the Trek Factory team including Aussie champs Bec Henderson and Dan McConnell this frame has been widely accepted in the racing community. The Procaliber uses Trek’s Smart Wheel Size arrangement, meaning the …

Highs
  • IsoSpeed is successful in taking the sting out of the trail when seated.

  • Stunning frame construction.

  • Lightweight parts.

Lows
  • Not to be confused as a suspension bike, it's still a hardtail.

Read Review

BikeRadar
Trek Procaliber 9.7 SL review

Mar 2016 · Guy Kesteven

Impact-smoothing super-light racer, but needs fatter tyres and pedalling bounce can be irritating. Buy if you like your greyhound hardtail with a side order of comfort, and are prepared to make a kit tweak or two

Highs
  • Svelte, contemporary frame, isospeed pivot smooth buzz, rapid ride

Lows
  • Smoothing tech can be a double-edged sword, needs fatter treads to get the most from it

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Mountain Bike Action
Bike Test: Trek Procaliber 9.9 SL

Jan 2016 · McCoy

The Procaliber will give you all the efficiency and fun that you need

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Geometry
Specs
Build
Frame

Super Light OCLV Mountain Carbon, IsoSpeed, tapered head tube, MicroTruss, Control Freak internal routing, balanced post mount brake, Boost148 & G2 Geometry on M and larger sizes (Size S: 142x12mm rear hub)

Headset

FSA IS-2, 1-1/8˝ top, 1.5˝ bottom

Rider Notes
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First added September 6

Last updated September 6

Not listed for 2,457 days