The ride, not just the specs
Made to race cross-country.
Procaliber is a cross-country race hardtail: light, efficient, and ready to go fast from the gun.
Whether you race every weekend or just love a fast lap, it rewards every pedal stroke.
Trek Procaliber SL Frameset Gen 1
S / Matte Dnister Black
$999.93
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Trek / Cross Country Mountain Bikes
Trek Procaliber SL Frameset Gen 1
Race-ready, from the first pedal.
Procaliber SL is for the fastest XC riders. It's built with Super Light OCLV Mountain Carbon and delivers the unique trail-smoothing advantage of IsoSpeed, which takes the edge off fatiguing bumps in the trail so you can stay stronger longer.
$999.93
What size am I?
Based on the bike's size chart. Your complimentary baseline fit in store dials in the rest.
Ship to store · free pickup, usually ready in 4–7 business days
Questions are welcome. No pressure, no bike jargon required.
- 30-day money-back guarantee Ride it. If it isn't right, bring it back.
- Free adjustments for life On every bike you buy from us.
- Complimentary baseline fit We set the bike up for your body.
What makes it special
Thoughtful details. Big possibilities.
01IsoSpeed 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.
For the detail-oriented
Let's talk bikes.
- Frame Carbon
- Suspension Rigid
- Wheels 29" / 27.5"
- Weight 2.3 lb
Tap any group to see every part.
Frameset2
- Frame
- Super Light OCLV Mountain Carbon, IsoSpeed, tapered head tube, MicroTruss, Control Freak internal routing, balanced post mount brake, Boost148 on M and larger sizes (Size S: 142x12mm rear hub)
- Headset
- FSA IS-2, 1-1/8'' top, 1.5'' bottom
Wheels & tires1
- Rear axle
- Bontrager Switch thru axle
Weight & limits6
- Weight
- M - 1.05 kg / 2.32 lbs
- Weight limit
- This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
- Max tire size
- 29x2.20" (S: 27.5x2.20")
- Max rotor size
- Max brake rotor sizes - Frame: 160mm, min 140mm, Fork: see fork manufacturer
- Max chainring
- 1x: 36T
- Max fork travel
- 100mm
Good to know3
- Smart Wheel Size The right wheel size paired with your frame size gives you the perfect combination of responsiveness and control.
- Control Freak Cable Management The lightest, quietest, most versatile cable management system allows any combination of shift, brake, lockout, and dropper post lines to be routed through the frame for clean looks and the ultimate custom setup.
- OCLV Mountain Carbon Trek's mountain-specific carbon fiber is tougher carbon, with unique materials and layup procedures, Trek's advanced engineering, and a higher standard of testing.
Geometry & sizing.
Measurements in cm unless noted.
| Size | S | M | ML | L | XL |
|---|---|---|---|---|---|
| Rider height | 5'1"–5'5" | 5'5"–5'10" | 5'8"–5'11" | 5'10"–6'2" | 6'2"–6'5" |
| Seat tube (A on the drawing) | 39.4 | 41.9 | 44.5 | 47.0 | 52.1 |
| Seat tube angle (B on the drawing) | 73.0° | 72.5° | 72.0° | 72.0° | 72.0° |
| Head tube length (C on the drawing) | 10.0 | 9.0 | 9.0 | 10.0 | 12.0 |
| Head tube angle (D on the drawing) | 69.3° | 69.5° | 69.5° | 69.5° | 69.5° |
| Eff. top tube (E on the drawing) | 55.8 | 59.9 | 61.7 | 63.8 | 65.9 |
| BB height (F on the drawing) | 30.2 | 31.1 | 31.1 | 31.1 | 31.1 |
| BB drop (G on the drawing) | 4.8 | 5.8 | 5.8 | 5.8 | 5.8 |
| Chainstay length (H on the drawing) | 42.5 | 43.5 | 43.5 | 43.5 | 43.5 |
| Offset (I on the drawing) | 4.4 | 5.1 | 5.1 | 5.1 | 5.1 |
| Trail (J on the drawing) | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 |
| Wheelbase (K on the drawing) | 105.3 | 109.8 | 111.3 | 113.2 | 115.4 |
| Standover (L on the drawing) | 72.7 | 75.0 | 76.4 | 77.8 | 81.6 |
| Reach (M on the drawing) | 38.2 | 41.2 | 42.7 | 44.2 | 45.7 |
| Stack (N on the drawing) | 58.3 | 59.5 | 59.5 | 60.4 | 62.3 |
| Frame size | 15.5" | 17.5" | 18.5" | 19.5" | 21.5" |
| Wheel size | 27.5" | 29" | 29" | 29" | 29" |
The Atlanta Cycling difference
The right bike is only the beginning.
Specs matter. But so does how a bike feels when you ride it. Our team is here to help you choose the right size, understand the details, and get comfortable before your first ride.
When you buy from Atlanta Cycling, you're not just getting a box with a bicycle in it. You're getting a 30-day money-back guarantee, a complimentary baseline fit, lifetime basic adjustments, and real people who want you to love every mile.
What reviewers are saying.
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“Everything about this bike screams speed”
If you're looking for a hardtail XC race bike, you'd be hard pressed to find a better option. This bike will make you faster, no upgrades required.
reviews.mtbr.com · Read the review
-
“Stunningly light. Fast and nimble. ”
A fleet, hard-charging machine that punishes the competition and not your body. If cross-country racing is your thing, you'd be hard pressed to find a better machine than Procaliber.
outsideonline.com · Read the review
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“Unlike any other hardtail we've ridden.”
We would be hard-pressed to recommend a better bike for a cross-country rider.
mbaction.com · Read the review
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“The most comfortable hardtail on the market”
Riding the Procaliber proved to be an eye-opening experience. It's fast, responsive, and deadly efficient in a very addictive way, which simply cannot be matched by a full suspension bike.
singletrackworld.com · Read the review
Four neighborhood stores. One shared passion.
Let's find your next adventure.
Ansley. Alpharetta. Roswell. Vinings. Stop by, take a test ride, ask questions, and meet the people who will be here long after your first ride.