2019 Trek

Procaliber 6

A 27.5″ / 29″ aluminum frame hardtail crosscountry bike with high-end components.
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MSRP$1,999
Weight26.9 lbs  
FrameAluminum
SuspensionHardtail, 100mm
ForkRockShox Judy Gold RL
Wheels27.5″ / 29″ Aluminum
Drivetrain1 × 12
GroupsetNX Eagle
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Procaliber 6
Other Crosscountry bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

24 mph

Procaliber 6

27 mph

Similar Bikes

Highest gear

(descending)

Sizing
XS

4'5" – 5'2"

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"

XXL

6'4" – 6'8"

Rider Fit Notes

None yet.

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

Aug 2020

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

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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BikeRadar
Trek Procaliber 6 review

Mar 2019 · Guy Kesteven

Accurate, versatile frame with a great spec, but bar and IsoSpeed bounce won’t suit everyone

Highs
  • Stiff, accurate frame

  • Dropper and bigger-tyre friendly

  • Judy fork and Eagle gears

  • Shock-shrugging IsoSpeed

Lows
  • 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

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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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Mountain Bike Action
Review - Trek Procaliber 8

Nov 2017 · MBA Action

Trek takes their IsoSpeed Decoupler and builds it into a more affordable aluminum frame.

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Singletrack World
Review: Trek Procaliber 9.8 SL

Jul 2016 · Wil Barrett

Is the Trek Procaliber the most comfortable hardtail on the market? Wil investigates with his longerm test bike

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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

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

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

BB StandardBB86/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)

Travel100mm

Spring TypeAir

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

TypeRigid

Pedals

Not included

Grips

Bontrager XR Trail Comp, nylon lock-on

Groupset
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

TypeHydraulic Disc

Wheels
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˝)

Rider Notes
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Last updated September 16
Not listed for 1,650 days