Head to headMountain
Procaliber
vsRoscoe
Trek
Trek
Starting price
Procaliber$1,800
Roscoe—
Claimed weight
Procaliber12.13 kg (26.7 lb)
Roscoe—
Tire clearance
Procaliber61 mm
Roscoe—
Builds available
Procaliber2
Roscoe0
01 / Overview
Overview
03 / Specifications
Where the builds differ.
Comparing our editor's-pick builds side-by-side. Winners highlighted row-by-row — lower price and weight, and the better-spec component, each mark a point.
01Frameset
Procaliber
Roscoe
Claimed weight
12.13 kg (26.7 lb)
—
Frame material
OCLV Mountain Carbon, IsoBow, tapered head tube, internal routing, balanced post mount brake, Boost148
—
Fork
RockShox Judy GOLD, Solo Air spring, TurnKey lockout, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
—
Tire clearance
61 mm
—
02Groupset
Shift levers
Shimano Deore M6100, 12-speed
—
Rear derailleur
Shimano Deore M6100, long cage
—
Cassette
Shimano Deore M6100, 12-speed, 10-51T
—
Crankset
Shimano MT512, 32T, 55mm chainline — S/M/ML: 170mm; L/XL: 175mm
—
Brakes
Shimano MT200 hydraulic disc
—
03Wheelset
Front wheel
Bontrager Kovee, double-wall, Tubeless Ready, 28h, 23mm internal width, Presta valve; Shimano TC500 alloy, Center Lock, 110x15mm thru axle
—
Rear wheel
Bontrager Kovee, double-wall, Tubeless Ready, 28h, 23mm internal width, Presta valve; Shimano TC500 alloy, Center Lock, 148x12mm thru axle
—
Front tire
Bontrager Sainte-Anne Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40" or 29x2.20" (spec varies)
—
04Cockpit
Handlebar / stem
S: Bontrager Comp, alloy, 31.8mm, 5mm rise, 720mm; M/ML/L/XL: Bontrager Rhythm Comp, alloy, 31.8mm, 15mm rise, 750mm
—
Saddle
Verse Short, chromoly rails, 145mm width
—
Seatpost
Bontrager Line Dropper, MaxFlow, internal routing, 31.6mm — S: 100mm travel (310mm length); M/ML/L: 150mm travel (410mm length); XL: 170mm travel (450mm length)
—
03.1
Build variants & pricing
Procaliber · 2 builds$1,800 – $2,700
Roscoe · 0 builds
04 / Geometry
How they fit, how they steer.
Reach × Stack · size —mm
Where the handlebar sits relative to the bottom bracket — the single most important fit pair.
Procaliber
Roscoe
Reach—
——
Stack—
——
Head tube angle—
——
Trail—
——
Chainstay length—
——
Wheelbase—
——
Top tube (effective)—
——
04.1
Which size should I buy?
Procaliber
M
5'6" – 5'8"
Fits riders in this height range.
Roscoe
—
Fits riders in this height range.
→These are starting points. Flexibility, riding style, and preferred position all shift the answer — if you’re between sizes, a professional fit beats a chart.
05 / Reviews
What the magazines said.
Published reviews from trusted cycling outlets. Click through for the full write-up.