2020 Trek

X-Caliber 8

A 27.5″ aluminum frame hardtail crosscountry bike with upper mid-range components.
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Manufacturer Price

$1,199
Weight29.6 lbs  
FrameAluminum
SuspensionHardtail, 100mm
ForkRockShox 30 Silver TK
Wheels27.5″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle
BrakesHydraulic Disc
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
X-Caliber 8
Other Crosscountry bikes
Gearing

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

X-Caliber 8

27 mph

Similar Bikes

Highest gear

(descending)

Sizing
XS

4'5" – 5'2"

SM

5'0" – 5'6"

MD

5'3" – 5'8"

MD/LG

5'5" – 5'11"

LG

5'9" – 6'3"

XL

6'1" – 6'6"

XXL

6'4" – 6'8"

Rider Fit Notes

None yet.

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Reviews
MTBR
Trek Roscoe and X-Caliber hardtails reviewed

Nov 2017

Trek's budget-friendly hardtails have evolved on two distinct paths, an affordable XC steed and a fun trail machine. Born out of the same frame, find out how these two bikes compare. - Mtbr.com

Read Review

off.road.cc
Trek X-Caliber 9

Apr 2017

If you're looking for a rapid handling cross-country hardtail then the X-Caliber delivers in spades, but it's a bit of a handful when the trail turns downhill thanks to steep geometry and a dated cockpit. Buyer's guide to mountain bikes - get the best MTB for you The best mountain bikes for under £1,000 - the best budget buys ridden and rated Trek launch updated 2020 X-Caliber aluminium hardtail cross-country bike The X-Caliber range is Trek's entry to their proper cross-country hardtail offerings, designed to tackle proper off-road riding rather than being a multi-sport machine.

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Alpha Gold Aluminum, tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, Boost141, 5mm QR

BB StandardBSA, 73mm, Threaded

Tire Clearance2.8"

Fork

Size: XS, RockShox 30 Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, tapered steerer, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel; Size: S, RockShox 30 Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, tapered steerer, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel; Size: M, M/L, L, XL, XXL, RockShox 30 Silver, Solo Air spring, rebound adjust, TurnKey hydraulic lockout, tapered steerer, 46mm offset for 29'' wheel, 100mm QR, 100mm travel

Travel100mm

Spring TypeAir

Bottom Bracket

Truvativ Powerspline, 73mm, threaded cartridge, 118mm spindle

Headset

Semi-integrated, loose ball bearing, 1-1/8'' top, 1.5'' bottom

Stem

Size: XS, S, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: M, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: M/L, L, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: XL, XXL, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length

Handlebar

Size: XS, Bontrager alloy, 31.8mm, 5mm rise, 690mm width; Size: S, M, M/L, L, XL, XXL, Bontrager alloy, 31.8mm, 5mm rise, 720mm width

Saddle

Bontrager Arvada, steel rails, 138mm width

Seatpost

Size: XS, S, Bontrager alloy, 31.6mm, 12mm offset, 330mm length; Size: M, Bontrager alloy, 31.6mm, 12mm offset, 360mm length; Size: M/L, L, XL, XXL, Bontrager alloy, 31.6mm, 12mm offset, 400mm length

TypeRigid

Pedals

VP-536 nylon platform

Grips

Bontrager XR Trail Comp, nylon lock-on

Groupset
Rear Derailleur

SRAM SX Eagle

Crank

Size: XS, S, SRAM SX Eagle, GXP, 30T steel ring, Boost, 170mm length; Size: M, M/L, L, XL, XXL, SRAM SX Eagle, GXP, 30T steel ring, Boost, 175mm length

Shifters

SRAM SX Eagle, 12 speed

Cassette

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

Chain

SRAM SX Eagle, 12 speed

Brakes

Shimano MT200 hydraulic disc

TypeHydraulic Disc

Wheels
Rims

Size: XS, S, M, M/L, L, XL, XXL, Bontrager Kovee, double-wall, Tubeless Ready, 28-hole, 23mm width, presta valve; Size: XS, S, M, M/L, L, XL, XXL, Bontrager Kovee, double-wall, Tubeless Ready, 32-hole, 23mm width, presta valve

Spokes

14g, stainless steel, black

Front Hub

Formula DC-20 LW, alloy, 6-bolt, 5x100mm QR

Rear Hub

Formula DC-2241, alloy, 6-bolt, Shimano 8/9/10 freehub, Boost141, 5mm QR

Tires

Size: XS, 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

Size: XS, S, M, M/L, L, XL, XXL, Shimano RT26, 160mm, 6-bolt; Size: L, XL, XXL, Shimano RT26, 180mm, 6-bolt

Rider Notes
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Last updated August 21
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