Matte / Gloss Black

Alpha Platinum Aluminum, IsoSpeed, tapered head tube, internal derailleur routing, balanced post mount brake, Boost148, 12mm thru axle

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.

Trek Procaliber AL Frameset

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 a smooth, fast ride with efficient power transfer, though some models may lack in steering precision or component performance. The bike's geometry and suspension are tailored for competitive racing, making it a favorite among XC enthusiasts.

MD/LG

This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).

MSRP	$1,099
Where to Buy	— $1 At
Category	Crosscountry
Weight	4.6 lbs (frame)

Frame	Aluminum

Wheels
Wheel Size	27.5″




Drivetrain
Brand Site	trekbikes.com
Summary	The Trek Procaliber AL Frameset is a 27.5″ aluminum frame crosscountry frameset.

Frame	Alpha Platinum Aluminum, IsoSpeed, tapered head tube, internal derailleur routing, balanced post mount brake, Boost148, 12mm thru axle Tire Clearance: 2.4" Color: Matte / Gloss Black
Headset	FSA IS-2, 1-1/8'' top, 1.5'' bottom