Head to headMountain
Chisel
vsRoscoe
Specialized
Trek

Starting price
Chisel$1,900
Roscoe—
Claimed weight
Chisel13.53 kg (29.8 lb)
Roscoe—
Tire clearance
Chisel59.7 mm
Roscoe—
Builds available
Chisel8
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
Chisel
Roscoe
Claimed weight
13.53 kg (29.8 lb)
—
Frame material
Specialized D'Aluisio Smartweld M5 Alloy, hydroformed tubes, Progressive XC Geometry, 110mm travel, internal cable routing, BSA BB, 12x148mm spacing, 30.9mm dropper post compatible
—
Fork
Fox 34 Performance Elite, GRIP2 damper, compression adjust, 130mm travel, 44mm offset, 15x110mm
—
Tire clearance
59.7 mm
—
02Groupset
Shift levers
SRAM GX trigger, 12-speed
—
Rear derailleur
SRAM GX Eagle, 12-speed
—
Cassette
SRAM PG-1230 Eagle, 12-speed, 11-50T
—
Crankset
SRAM X1000 Eagle, DUB, 165/170/175mm, 32T chainring
—
Brakes
SRAM G2 RS hydraulic disc, 4-piston caliper
—
03Wheelset
Front wheel
Specialized 29 hookless alloy, 30mm internal width, tubeless ready; Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h; DT Swiss Industry
—
Rear wheel
Specialized 29 hookless alloy, 30mm internal width, tubeless ready; Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h; DT Swiss Industry
—
Front tire
Specialized Purgatory, GRID casing, T9 compound, 29x2.4
—
04Cockpit
Handlebar / stem
Specialized Alloy, 20mm rise, 35mm clamp, 760mm width
—
Saddle
Body Geometry Power Comp, steel rails
—
Seatpost
X-Fusion Manic dropper, 30.9mm, 125/150/170mm travel, 0mm offset
—
03.1
Build variants & pricing
Chisel · 8 builds$1,900 – $3,600
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.
Chisel
Roscoe
Reach—
——
Stack—
——
Head tube angle—
——
Trail—
——
Chainstay length—
——
Wheelbase—
——
Top tube (effective)—
——
04.1
Which size should I buy?
Chisel
M
5'6" – 5'10"
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.
Chisel · 6 reviews
Specialized Chisel Comp Review: Fast and Cheap
Specialized Chisel Evo Comp Tech Talk: What makes it so wild?
Specialized Chisel Comp Evo mountain bike review
Specialized Chisel - XC mountain bike
Wil's Specialized Chisel, a super-light alloy XC bike
Specialized Chisel Review (Full-Suspension): Good Bones
Roscoe · 1 reviews