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Today’s DealsProcaliber 6
A 27.5″ / 29″ aluminum frame hardtail crosscountry bike with high-end components.
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Manufacturer Price
$1,999| Weight | 26.9 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Hardtail, 100mm |
| Fork | RockShox Judy Gold RL |
| Wheels | 27.5″ / 29″ Aluminum |
| Drivetrain | 1 × 12 |
| Groupset | NX Eagle |
| Brakes | Shimano Hydraulic Disc |
4'5" – 5'2"
5'0" – 5'5"
5'2" – 5'8"
5'6" – 5'11"
5'9" – 6'3"
6'1" – 6'6"
6'4" – 6'8"
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.
Lightweight carbon frame with IsoSpeed decoupler
Sharp handling and efficient performance
Tubeless-ready setup
Innovative IsoSpeed technology for enhanced comfort
Race-ready features
Limited steering precision in some models
Component groups may not match higher-end options
IsoSpeed benefits primarily when seated
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.
Crosses the finish line first because it’s the fastest bike. Simple.
Feedback?
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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 […]

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.
Speed with comfort
No dropper post

Mar 2020 · Bobby Lea
This hardtail is a lightweight and dependable mountain bike with a carbon frame and wheels.
Bontrager Kovee Elite 23 Carbon, tubeless-ready wheels
Lightweight carbon frame with IsoSpeed decoupler
100mm RockShox Reba RL fork with remote lockout
Handlebar is on the narrow side

Mar 2019 · Guy Kesteven
Accurate, versatile frame with a great spec, but bar and IsoSpeed bounce won’t suit everyone
Stiff, accurate frame
Dropper and bigger-tyre friendly
Judy fork and Eagle gears
Shock-shrugging IsoSpeed
IsoSpeed takes a wallop to start moving and then a while to stop
Backswept bar and seat tube won’t suit all
Surprisingly slow tyres

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.

Nov 2017 · MBA Action
Trek takes their IsoSpeed Decoupler and builds it into a more affordable aluminum frame.
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!

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 …
IsoSpeed is successful in taking the sting out of the trail when seated.
Stunning frame construction.
Lightweight parts.
Not to be confused as a suspension bike, it's still a hardtail.
| Frame | Alpha Platinum Aluminum, IsoSpeed, tapered head tube, internal derailleur routing, balanced post mount brake, Boost148, G2 Geometry on 29ers BB Standard: BB86/BB92, Press Fit |
|---|---|
| Fork | RockShox Judy Gold RL, Solo Air, Motion Control damper, remote lockout, tapered steerer, Boost110, G2 Geometry w/51mm offset on 29ers, 100mm travel (13.5: 80mm travel) Travel: 100mm Spring Type: Air |
| Bottom Bracket | DUB PF92 |
| Headset | FSA IS-2, 1-1/8˝ top, 1.5˝ bottom |
| Stem | Bontrager Elite, 31.8mm, 7 degree, Blendr compatible |
| Handlebar | Bontrager Comp alloy, 31.8mm, 5mm rise, 720mm width (13.5: 690mm width) |
| Saddle | Bontrager Arvada, hollow chromoly rails |
| Seatpost | Bontrager alloy, 2-bolt head, 31.6mm, 8mm offset Type: Rigid |
| Pedals | Not included |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| Rear Derailleur | SRAM NX Eagle, Type 3 Roller Bearing Clutch |
|---|---|
| Crank | SRAM NX Eagle Dub, 30T Direct Mount |
| Shifters | SRAM NX Eagle, 12 speed |
| Cassette | SRAM XG-1230 Eagle, 11-50, 12 speed |
| Chain | SRAM NX Eagle |
| Brakes | Shimano MT400 hydraulic disc Type: Shimano Hydraulic Disc |
| Rims | Bontrager Kovee 28-hole Tubeless Ready |
|---|---|
| Front Hub | Bontrager sealed bearing, alloy axle, centerlock, Boost110 |
| Rear Hub | Bontrager sealed bearing, centerlock, Boost148 |
| Tires | Bontrager XR2 Team Issue, Tubeless Ready, 120 tpi, aramid bead, 29x2.20˝ (13.5 & 15.5: 27.5x2.20˝) |
First added September 16
Last updated September 16
Not listed for 2,447 days