Procaliber F/S XL 29 Crystal White/Trek Black

Procaliber frameset is a race-worthy carbon cross country mountain bike frame thats light, fast, and built to win. It has the unique advantage of IsoSpeed, a decoupler at the top tube/seat tube junction that gives you more compliance on rough trails for a smoother, faster ride.

• OCLV Mountain Carbon is race-light and trail-strong
• The IsoSpeed decoupler makes it ride smoother than any other hardtail, so your body doesnt get beat up by trail chatter
• New internal control routing is super easy to use thanks to built-in channels that guide your hose or housing easily through the frame
• You get a Straight Shot downtube for extra-stiff, responsive handling without added weight, and a Knock Block headset that protects against spinning bars and fork crowns

IsoSpeed smooth

IsoSpeed takes the edge off body-beating small bumps and trail chatter so you can stay stronger longer, without giving up any pedaling efficiency.

OCLV Mountain Carbon

Treks mountain-specific carbon fiber is tougher carbon, with unique materials and layup procedures, Treks advanced engineering, and a higher standard of testing.

Straight Shot downtube

Straight Shot downtube gives you an extra-stiff frame without adding any weight, so you can stick your line through the rough stuff and still fly up the next climb.

Frame	OCLV Mountain Carbon, IsoSpeed, tapered head tube, Knock Block, internal control routing, balanced post mount brake, Boost148
Skewer Rear	Bontrager Switch thru axle, removable lever
Seat Collar	Bolt-on, 36.4mm
Headset	Knock Block Integrated, 62-degree radius, cartridge bearing, 1-1/8 top, 1.5 bottom

Geometry Chart

B B Drop	6
B B Height	31.3
Chainstay Length	43.2
Eff Seat Tube Angle	73.8°
Eff Top Tube	65.9
Frame Reach	48
Frame Size Letter	XL
Frame Size Number	21.5"
Frame Stack	61.4
Head Angle	68.8°
Head Tube Length	10.5
Offset	4.2
Seat Tube	51
Seat Tube Angle	72.8°
Standover	81.4
Trail	10
Wheelbase	116.8
Wheel Size	29"