Compare: 2021 Trek Roscoe 8 vs X-Caliber 8

Overview
Ride Feel
Gearing
Spec Level
Geometry
Specs

Bike Comparison

Only show differences

	Roscoe 82021 Trek	X-Caliber 82021 Trek

MSRP	$1,879	$1,329
Where to Buy	— $1 At	— $1 At
Category	Trail	Crosscountry
Weight	32.3 lbs	30.4 lbs
	5.2	4.2
Frame	Aluminum	Aluminum
Fork	RockShox 35 Gold RL	RockShox Judy
Wheels	Aluminum	Aluminum
Wheel Size	27.5″	29″ / 29″
Brakes	Hydraulic Disc	Hydraulic Disc
Groupset	NX Eagle, Truvativ Descendant	SX Eagle
Drivetrain	1 × 12	1 × 12
Suspension	Hardtail	Hardtail
Front Travel	120mm	100mm
Brand Site	trekbikes.com	trekbikes.com
Summary	The Trek Roscoe 8 and Trek X-Caliber 8 are both aluminum frame hardtail mountain bikes. The Roscoe 8 has a dropper post, 27.5″ aluminum wheels, better components, a better fork, and a bigger fork; while the X-Caliber 8 has 29″ / 29″ aluminum wheels and higher gearing.

Similar Bikes

Accessories

Ride Feel

Based on frame geometry and build specs.

Terrain

easyextreme

Handling

nimblestable

Roscoe 8

X-Caliber 8

Other Trail bikes

Gear Range

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

22 mph

Roscoe 8

24 mph

X-Caliber 8

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Geometry

Specs

	Roscoe 82021 Trek	X-Caliber 82021 Trek

Frame	Alpha Gold Aluminum, tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, Boost141, 5mm QR BB Standard: BSA, 73mm, Threaded Tire Clearance: 2.8" Colors: Dark Aquatic / Metallic Gunmetal; Matte Black / Red/marigold Fade	Alpha Gold Aluminium, tapered head tube, internal derailleur and dropper post routing, rack and kickstand mount, Boost141, 5 mm QR BB Standard: BSA, 73mm, Threaded Tire Clearance: 2.8" Colors: Dark Aquatic / Metallic Gunmetal; Matte Black / Red/marigold Fade
Fork	Size: XS, RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 100mm travel; Size: S, M, M/L, L, XL, RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 120mm travel Travel: 100mm Spring Type: Air	Size: S, RockShox Judy SL, Solo Air spring, TurnKey lockout, tapered steerer, Boost110, 15 mm Maxle Lite, 100 mm travel; Size: M, M/L, L, XL, XXL, RockShox Judy SL, Solo Air spring, TurnKey lockout, tapered steerer, Boost110, 15 mm Maxle Stealth, 100 mm travel Travel: 100mm Spring Type: Air
Bottom Bracket	Truvativ Powerspline, 73mm, threaded cartridge, 118mm spindle	Truvativ Powerspline, 73 mm, threaded cartridge, 118 mm spindle
Headset	Semi-integrated, loose ball bearing, 1-1/8'' top, 1.5'' bottom	Semi-integrated, loose ball bearing, 1-1/8'' top, 1.5'' bottom
Stem	Size: XS, S, M, Bontrager Rhythm Comp, 31.8mm, Knock Block, 0 degree, 50mm length; Size: M/L, L, XL, XXL, Bontrager Rhythm Comp, 31.8mm, Knock Block, 0 degree, 60mm length	Size: S, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 60 mm length; Size: M, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length; Size: M/L, L, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length; Size: XL, XXL, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length
Handlebar	Size: XS, Bontrager alloy, 31.8mm, 15mm rise, 720mm width; Size: S, M, M/L, L, XL, XXL, Bontrager alloy, 31.8mm, 15mm rise, 750mm width	Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width
Saddle	Bontrager Arvada, steel rails, 138mm width	Bontrager Arvada, steel rails, 138 mm width
Seatpost	Size: XS, S, M, TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm, 361mm length; Size: M/L, L, XL, XXL, TranzX JD-YSP18, 130mm travel, internal routing, 31.6mm, 425mm length	Size: S, Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length; Size: M, Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length; Size: M/L, L, XL, XXL, Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
Pedals	VP-536 nylon platform	VP-536 nylon platform
Grips	Bontrager XR Trail Comp, nylon lock-on

Groupset

Rear Derailleur	SRAM NX Eagle	SRAM SX Eagle
Crank	Size: XS, S, Truvativ Descendant 6k Eagle, GXP, 30T alloy ring, Boost, 170mm length; Size: M, M/L, L, XL, XXL, Truvativ Descendant 6k Eagle, GXP, 30T alloy ring, Boost, 175mm length	Size: S, SRAM SX Eagle, GXP, 30T steel ring, Boost, 170 mm length; Size: M, M/L, L, XL, XXL, SRAM SX Eagle, GXP, 30T steel ring, Boost, 175 mm length
Shifters	SRAM NX Eagle, 12 speed	SRAM SX Eagle, 12-speed
Cassette	SRAM PG-1230 Eagle, 11-50, 12 speed	SRAM PG-1210 Eagle, 11-50, 12-speed
Chain	SRAM NX Eagle, 12 speed	SRAM SX Eagle, 12-speed
Brakes	Shimano hydraulic disc, MT501 lever, MT500 caliper	Shimano MT200 hydraulic disc

Wheels

Rims	Bontrager Line 40, Tubeless Ready, 28-hole, 40mm width, presta valve	Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23 mm width, Presta valve
Spokes	14g stainless steel	14 g stainless steel
Front Hub	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Rear Hub	Formula DCL-141Q, sealed bearing, 6-bolt, Shimano 10 freehub, Boost141, 5mm QR	Formula DCL-141Q, sealed bearing, 6-bolt, Shimano 10 freehub, Boost141, 5 mm QR
Tires	Maxxis Rekon, tubeless, 60 tpi, 27.5x2.80''	Size: S, Bontrager XR3 Comp, wire bead, 30 tpi, 27.5x2.20''; Size: M, M/L, L, XL, XXL, Bontrager XR3 Comp, wire bead, 30 tpi, 29x2.20"
Disc Rotors	Shimano RT56, 6-bolt, 180mm	Size: S, M, M/L, L, XL, XXL, Shimano RT26, 6-bolt,160 mm; Size: L, XL, XXL, Shimano RT26, 6-bolt,180 mm

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