Compare: 2019 Trek X-Caliber 7 vs X-Caliber 8 vs X-Caliber 9

Overview
Ride Feel
Gearing
Spec Level
Geometry
Specs

Bike Comparison

Only show differences

	X-Caliber 72019 Trek	X-Caliber 82019 Trek	X-Caliber 92019 Trek

MSRP	$1,019	$1,199	$1,659
Where to Buy	— $1 At	$799 33% off At Trek	— $1 At
Category	Crosscountry	Crosscountry	Crosscountry
Weight	30.8 lbs	29.6 lbs	29.0 lbs
	3.3	4.1	4.2
Frame	Aluminum	Aluminum	Aluminum
Fork	RockShox 30 Silver TK (coil)	RockShox 30 Silver TK (air)	RockShox Judy Silver TK (air)
Wheels	Aluminum	Aluminum	Aluminum
Wheel Size	27.5″ / 29″	27.5″ / 29″	27.5″ / 29″
Brakes	Hydraulic Disc	Hydraulic Disc	Hydraulic Disc
Groupset	Acera, Alivio	XT, Deore	XT, SLX
Drivetrain	2 × 9	2 × 10	2 × 11
Suspension	Hardtail	Hardtail	Hardtail
Front Travel	100mm	100mm	100mm
Brand Site	trekbikes.com	trekbikes.com	trekbikes.com
Summary	The Trek X-Caliber 7, Trek X-Caliber 8, and Trek X-Caliber 9 are all 27.5″ / 29″ aluminum frame hardtail crosscountry bikes. The X-Caliber 8 has better components, while the X-Caliber 9 has a better fork.

Similar Bikes

Accessories

Ride Feel

Based on frame geometry and build specs.

Terrain

easyextreme

Handling

nimblestable

X-Caliber 7

X-Caliber 8

X-Caliber 9

Other Crosscountry 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)

28 mph

X-Caliber 7

28 mph

X-Caliber 8

28 mph

X-Caliber 9

Highest gear

(descending)

Spec Level

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

Geometry

Specs

	X-Caliber 72019 Trek	X-Caliber 82019 Trek	X-Caliber 92019 Trek

Frame	Alpha Gold Aluminum, tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, Boost141, G2 Geometry	Alpha Gold Aluminum, tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, Boost141, G2 Geometry	Alpha Gold Aluminum, tapered head tube, internal derailleur & dropper post routing, rack & kickstand mount, Boost141, G2 Geometry
Fork	RockShox 30 Silver, coil spring, preload, rebound adjust, TurnKey hydraulic lockout, tapered steerer, G2 Geometry w/51mm offset on 29ers, 100mm travel (13.5: 80mm travel) Travel: 100mm Spring Type: Air	RockShox 30 Silver, Solo Air, rebound adjust, TurnKey hydraulic lockout, tapered steerer, G2 Geometry w/51mm offset on 29ers, 100mm travel (13.5: 80mm travel) Travel: 100mm Spring Type: Air	RockShox Judy Silver TK, Solo Air spring, rebound adjust, Turnkey damper with remote lockout, tapered steerer, G2 Geometry w/51mm offset, Boost110, 100mm travel (13.5: 80mm travel) Travel: 100mm Spring Type: Air
Bottom Bracket	Sealed cartridge, 73mm	Shimano BB52, 73mm	Shimano BB52, 73mm
Headset	Semi-integrated, cartridge, 1-1/8˝ top, 1.5˝ bottom	Semi-integrated, cartridge, 1-1/8˝ top, 1.5˝ bottom	Sealed cartridge, 1-1/8˝ top, 1.5˝ bottom
Stem	Bontrager Elite, 31.8mm, 7 degree, Blendr compatible	Bontrager Elite, 31.8mm, 7 degree, Blendr compatible	Bontrager Elite, 31.8mm, 7 degree, Blendr compatible
Handlebar	Bontrager alloy, 31.8mm, 5mm rise, 720mm width (13.5: 690mm width)	Bontrager alloy, 31.8mm, 5mm rise, 720mm width (13.5: 690mm width)	Bontrager alloy, 31.8mm, 5mm rise, 720mm width (13.5: 690mm width)
Saddle	Bontrager Arvada	Bontrager Arvada	Bontrager Arvada
Seatpost	Bontrager alloy, 2-bolt head, 31.6mm, 12mm offset	Bontrager alloy, 2-bolt head, 31.6mm, 12mm offset	Bontrager alloy, 2-bolt head, 31.6mm, 12mm offset
Pedals	VP-536 nylon platform	VP-536 nylon platform
Grips	Bontrager XR Trail Comp, nylon lock-on	Bontrager XR Trail Comp, nylon lock-on	Bontrager XR Trail Comp, nylon lock-on

Groupset

Rear Derailleur	Shimano Acera M3000, Shadow	Shimano Deore XT M781, Shadow	Shimano Deore XT M8000, Shadow Plus
Front Derailleur	Shimano Alivio M4020	Shimano Deore M617	Shimano SLX M7020
Crank	Shimano Acera MT210, 36/22	Race Face Ride, 36/22	Shimano SLX M7000, 36/26
Shifters	Shimano Acera M3000, 9 speed	Shimano Deore M6000, 10 speed	Shimano SLX M7000, 11 speed
Cassette	Shimano HG200, 11-36, 9 speed	Shimano HG50, 11-36, 10 speed	Shimano SLX M7000, 11-42, 11 speed
Chain	KMC X9	KMC X10	KMC X11-1
Brakes	Shimano MT200 hydraulic disc	Shimano MT200 hydraulic disc	Shimano MT400 hydraulic disc

Wheels

Rims	Bontrager Connection 32-hole double-walled	Bontrager Kovee 28-hole Tubeless Ready, tubeless rim strips and valves sold separately	Bontrager Kovee 28-hole Tubeless Ready, tubeless rim strips and valves sold separately
Front Hub	Formula DC20 alloy	Formula DC20 LW alloy	Bontrager sealed bearing, alloy axle, Boost110
Rear Hub	Formula DC2241, Boost141	Formula DC2241, Boost141	Formula DC2641 sealed bearing, Boost141
Tires	Bontrager XR2, 29x2.20˝ (13.5 & 15.5: 27.5x2.20˝)	Bontrager XR2, 29x2.20˝ (13.5 & 15.5: 27.5x2.20˝)	Bontrager XR2, 29x2.20˝ (13.5 & 15.5: 27.5x2.20˝)

Riders Also Compared