Compare/Specialized Rockhopper vs Trek Roscoe

Head to headMountain

Rockhopper

Roscoe

Specialized

Trek

Starting price

Rockhopper$650

Roscoe—

Claimed weight

Rockhopper13.12 kg (28.9 lb)

Roscoe—

Tire clearance

Rockhopper59.7 mm

Roscoe—

Builds available

Rockhopper9

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

Rockhopper

Expert · $1,300

Roscoe

Claimed weight

13.12 kg (28.9 lb)

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Frame material

Specialized A1 Premium Butted Alloy (zero-stack head tube, internal cable routing, 135x9mm QR dropouts, replaceable alloy derailleur hanger, stealth rack mounts, dropper compatible)

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Fork

RockShox Judy (Solo Air, Turnkey damper, 46mm offset, QR, size-specific 80/90/100mm travel, alloy steerer)

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Tire clearance

59.7 mm

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02Groupset

Shift levers

SRAM SX Eagle trigger, 12-speed

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Rear derailleur

SRAM NX Eagle, 12-speed

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Cassette

SRAM PG-1210 Eagle, 12-speed, 11-50T

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Crankset

SRAM Stylo cranks

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Brakes

Shimano BR-MT200 hydraulic disc (XS–M 27.5: 160mm rotor; M–XXL 29: 180mm rotor)

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03Wheelset

Front wheel

Specialized Alloy, hookless, tubeless ready, 25mm internal width; Formula DC-20, 6-bolt, 100x9mm QR; Stainless, 14g

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Rear wheel

Specialized Alloy, hookless, tubeless ready, 25mm internal width; Formula DC-22, 6-bolt freehub, 135x9mm QR; Stainless, 14g

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Front tire

Specialized Ground Control 2BR, 27.5/29x2.35

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04Cockpit

Handlebar / stem

Specialized alloy, 31.8mm, 9° backsweep, 15mm rise

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Saddle

Bridge Sport, steel rails, 155/143mm

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Seatpost

Alloy, 2-bolt clamp, 30.9mm

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03.1

Build variants & pricing

Rockhopper · 9 builds$650 – $1,300

Expert

SRAM NX Eagle · Specialized Alloy

$1,300

Comp

Shimano Deore M6100 · Specialized Alloy

$1,000From$760

Expert

Shimano Deore M5100 SGS · Specialized Alloy rim

$1,000

Comp

Shimano Deore RD-M5120 · Specialized Alloy

$900

Sport

Shimano CUES · Specialized alloy

$850

Rockhopper

Shimano Altus · Specialized alloy

$750

Rockhopper

Shimano Altus · Specialized alloy

$750

Sport

Shimano CUES RD-U4000 · Specialized alloy

$750From$500

Rockhopper

Shimano Altus RD-M2000 · Specialized alloy

$650From$475

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.

Rockhopper

Roscoe

size —

Reach—

——

Stack—

——

Head tube angle—

——

Trail—

——

Chainstay length—

——

Wheelbase—

——

Top tube (effective)—

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04.1

Which size should I buy?

Your height

5'8"173 cm

5'0"5'5"5'10"6'3"6'7"

Rockhopper

L - 29

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