Compare: 2023 Trek Rail 9.7 Gen 4 vs Rail 9.8 XT Gen 4 vs Rail 9.8 GX AXS Gen 4 vs Rail 9.9 XTR Gen 4 vs Rail 9.9 CXR Gen 4 vs Rail 9.9 XX1 AXS Gen 4

Overview
Ride Feel
Gearing
Spec Level
Geometry
Specs

Bike Comparison

Only show differences

	Rail 9.7 Gen 42023 Trek	Rail 9.8 XT Gen 42023 Trek	Rail 9.8 GX AXS Gen 42023 Trek	Rail 9.9 XTR Gen 42023 Trek	Rail 9.9 CXR Gen 42023 Trek	Rail 9.9 XX1 AXS Gen 42023 Trek

MSRP	$7,549	$8,999	$10,299	$12,549	$13,299	$13,799
Where to Buy	— $1 At	— $1 At	$10,299 At Trek	$7,999 37% off At Trek	— $1 At	$8,499 39% off At Trek
Category	Enduro, E-Bike	Enduro, E-Bike	Enduro, E-Bike	Enduro, E-Bike	Enduro, E-Bike	Enduro, E-Bike
Weight	54.3 lbs	51.8 lbs	52.7 lbs	50.6 lbs	50.8 lbs	52.0 lbs
	6.6	7.2	8.7	8.4	8.4	9.5
Frame	Carbon	Carbon	Carbon	Carbon	Carbon	Carbon
Fork	RockShox Domain	RockShox ZEB Select+	RockShox ZEB Select+	RockShox ZEB Ultimate	RockShox ZEB Ultimate	RockShox ZEB Ultimate
Shock	RockShox Deluxe Select+	RockShox Super Deluxe Select+	RockShox Super Deluxe Select+	RockShox Super Deluxe Ultimate	RockShox Super Deluxe	RockShox Super Deluxe
Wheels	Aluminum	Aluminum	Aluminum	Carbon	Carbon	Carbon
Wheel Size	29″	29″	29″	29″	29″	29″
Brakes	Hydraulic Disc	Hydraulic Disc	Hydraulic Disc	Hydraulic Disc	Hydraulic Disc	Hydraulic Disc
Motor	Bosch 600W 85Nm mid-drive	Bosch 600W 85Nm mid-drive	Bosch 600W 85Nm mid-drive	Bosch 600W 85Nm mid-drive	Bosch 600W 85Nm mid-drive	Bosch 600W 85Nm mid-drive
Battery	Bosch 625Wh	Bosch 625Wh	Bosch 625Wh	Bosch 625Wh	Bosch 625Wh	Bosch 625Wh
Groupset	XT, SLX	XT, e*thirteen	GX Eagle AXS, X1	XTR, e*thirteen	XTR, e*thirteen	XX1 Eagle AXS, X01 Eagle AXS
Drivetrain	1 × 12	1 × 12	1 × 12 Electronic	1 × 12	1 × 12	1 × 12 Electronic
Suspension	Full	Full	Full	Full	Full	Full
Front Travel	160mm	160mm	160mm	160mm	160mm	160mm
Rear Travel	150mm	150mm	150mm	150mm	150mm	150mm
Brand Site	trekbikes.com	trekbikes.com	trekbikes.com	trekbikes.com	trekbikes.com	trekbikes.com

Similar Bikes

Accessories

Ride Feel

Based on frame geometry and build specs.

Terrain

easyextreme

Handling

nimblestable

Rail 9.7 Gen 4

Rail 9.8 XT Gen 4

Rail 9.8 GX AXS Gen 4

Rail 9.9 XTR Gen 4

Rail 9.9 CXR Gen 4

Rail 9.9 XX1 AXS Gen 4

Other Enduro 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)

29 mph

Rail 9.7 Gen 4

29 mph

Rail 9.8 XT Gen 4

29 mph

Rail 9.8 GX AXS Gen 4

29 mph

Rail 9.9 XTR Gen 4

29 mph

Rail 9.9 CXR Gen 4

29 mph

Rail 9.9 XX1 AXS Gen 4

Highest gear

(descending)

Spec Level

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

Geometry

Specs

	Rail 9.7 Gen 42023 Trek	Rail 9.8 XT Gen 42023 Trek	Rail 9.8 GX AXS Gen 42023 Trek	Rail 9.9 XTR Gen 42023 Trek	Rail 9.9 CXR Gen 42023 Trek	Rail 9.9 XX1 AXS Gen 42023 Trek

Frame	OCLV Mountain Carbon main frame, 1.8'' lower head tube, Bosch System Controller compatible, Removable Integrated Battery (RIB), Knock Block 2.0, guided internal routing, 34.9mm seat tube, magnesium rocker link, Motor Armor, Mino Link, ABP, Boost148, 12mm thru axle, 150mm travel BB Standard: Bosch, Press Fit Tire Clearance: 2.6" Colors: Galactic Grey; Carbon Red Smoke	OCLV Mountain Carbon main frame, 1.8'' lower head tube, Bosch System Controller compatible, Removable Integrated Battery (RIB), Knock Block 2.0, guided internal routing, 34.9mm seat tube, magnesium rocker link, Motor Armor, Mino Link, ABP, Boost148, 12mm thru axle, 150mm travel BB Standard: Bosch, Press Fit Tire Clearance: 2.6" Colors: Galactic Grey; Carbon Red Smoke	OCLV Mountain Carbon main frame, 1.8'' lower head tube, Bosch System Controller compatible, Removable Integrated Battery (RIB), Knock Block 2.0, guided internal routing, 34.9mm seat tube, magnesium rocker link, Motor Armor, Mino Link, ABP, Boost148, 12mm thru axle, 150mm travel BB Standard: Bosch, Press Fit Tire Clearance: 2.6" Colors: Galactic Grey; Carbon Red Smoke	OCLV Mountain Carbon main frame, 1.8'' lower head tube, Bosch System Controller compatible, Removable Integrated Battery (RIB), Knock Block 2.0, guided internal routing, 34.9mm seat tube, magnesium rocker link, Motor Armor, Mino Link, ABP, Boost148, 12mm thru axle, 150mm travel BB Standard: Bosch, Press Fit Tire Clearance: 2.6" Colors: Galactic Grey; Carbon Red Smoke	OCLV Mountain Carbon main frame, 1.8'' lower head tube, Bosch System Controller compatible, Removable Integrated Battery (RIB), Knock Block 2.0, guided internal routing, 34.9mm seat tube, magnesium rocker link, Motor Armor, Mino Link, ABP, Boost148, 12mm thru axle, 150mm travel BB Standard: Bosch, Press Fit Tire Clearance: 2.6" Colors: Galactic Grey; Carbon Red Smoke	OCLV Mountain Carbon main frame, 1.8'' lower head tube, Bosch System Controller-compatible, Removable Integrated Battery (RIB), Knock Block 2.0, guided internal routing, 34.9 mm seat tube, magnesium rocker link, Motor Armour, Mino Link, ABP, Boost148, 12 mm thru-axle, 150 mm travel BB Standard: Bosch, Press Fit Tire Clearance: 2.6" Colors: Galactic Grey; Carbon Red Smoke
Fork	RockShox Domain RC, DebonAir, Motion Control damper, lockout, 1.8'' oversized tapered steerer, 44mm offset, oversized crown for eMTB, Boost110, 15mm Maxle Stealth, 160mm travel Travel: 160mm Spring Type: Air	RockShox ZEB Select+, DebonAir spring, Charger 3 RC2 damper, 1.8'' oversized tapered steerer, eMTB optimized crown, 44mm offset, Boost110, 15mm Maxle Stealth, 160mm travel Travel: 160mm Spring Type: Air	RockShox ZEB Select+, DebonAir spring, Charger 3 RC2 damper, 1.8'' oversized tapered steerer, eMTB optimized crown, 44mm offset, Boost110, 15mm Maxle Stealth, 160mm travel Travel: 160mm Spring Type: Air	RockShox ZEB Ultimate, AirWiz, DebonAir spring, Charger 3 RC2 damper, 1.8'' oversized tapered steerer, eMTB optimized crown, 44mm offset, Boost110, 15mm Maxle Stealth, 160mm travel Travel: 160mm Spring Type: Air	RockShox ZEB Ultimate, AirWiz, DebonAir spring, Charger 3 RC2 damper, 1.8'' oversized tapered steerer, eMTB optimized crown, 44mm offset, Boost110, 15mm Maxle Stealth, 160mm travel Travel: 160mm Spring Type: Air	RockShox ZEB Ultimate, AirWiz, DebonAir spring, Charger 3 RC2 damper, 1.8" oversized tapered steerer, eMTB optimised crown, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel Travel: 160mm Spring Type: Air
Shock	RockShox Deluxe Select+ RT, 230mm x 57.5mm Travel: 150mm Spring Type: Air	RockShox Super Deluxe Select+ RT, 230mm x 57.5mm Travel: 150mm Spring Type: Air	RockShox Super Deluxe Select+ RT, 230mm x 57.5mm Travel: 150mm Spring Type: Air	RockShox Super Deluxe Ultimate RT, 230mm x 57.5mm Travel: 150mm Spring Type: Air	RockShox Super Deluxe Thru Shaft, AirWiz, 230mm x 57.5mm Travel: 150mm Spring Type: Air	RockShox Super Deluxe Thru Shaft, AirWiz, 230 mm x 57.5 mm Travel: 150mm Spring Type: Air
Bottom Bracket	Bosch, press-fit	Bosch, press-fit	Bosch, press-fit	Bosch, press-fit	Bosch, press-fit	Bosch, press-fit
Stem	Bontrager Rhythm Comp, 31.8mm, Knock Block, 0 degree, 50mm length	Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length	Bontrager Line Pro, 35mm, Blendr compatible, 0 degree, 45mm length	Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length	Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length	Bontrager Line Pro, 35 mm, Blendr-compatible, 0-degree, 45 mm length
Handlebar	Bontrager Comp, alloy, 31.8mm, 15mm rise, 780mm width	Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width	Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width	Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width	Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width	Bontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm width
Saddle	Size: S, M, L, XL, Bontrager Arvada, hollow chromoly rails, 138mm width; Size: S, M, L, XL, Bontrager Arvada, steel rails, 138mm width	Bontrager Arvada, austenite rails, 138mm width	Bontrager Arvada, austenite rails, 138mm width	Bontrager Arvada, austenite rails, 138mm width	Bontrager Arvada, austenite rails, 138mm width	Bontrager Arvada, austenite rails, 138 mm width
Seatpost	Size: S, TranzX JD-YSP39, 100mm travel, internal routing, 34.9mm; Size: M, TranzX JD-YSP39, 150mm travel, internal routing, 34.9mm; Size: L, XL, TranzX JD-YSP39, 170mm travel, internal routing, 34.9mm	Size: S, Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length; Size: M, Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length; Size: L, Bontrager Line Elite Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 485mm length; Size: XL, Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length	Size: S, Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length; Size: M, Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length; Size: L, Bontrager Line Elite Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 485mm length; Size: XL, Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length	Size: S, Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length; Size: M, Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length; Size: L, Bontrager Line Elite Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 485mm length; Size: XL, Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length	Size: S, Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length; Size: M, Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length; Size: L, Bontrager Line Elite Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 485mm length; Size: XL, Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length	Size: S, RockShox Reverb AXS, 100 mm travel, wireless, 34.9 mm, 340 mm length; Size: M, RockShox Reverb AXS, 150 mm travel, wireless, 34.9 mm, 440 mm length; Size: L, XL, RockShox Reverb AXS, 170 mm travel, wireless, 34.9 mm, 480 mm length
Pedals	VP-536 nylon platform	VP-536 nylon platform	VP-536 nylon platform	VP-536 nylon platform	VP-536 nylon platform	VP-536 nylon platform
Grips	Bontrager XR Trail Comp, nylon lock-on	Bontrager XR Trail Elite, nylon lock-on	Bontrager XR Trail Elite, nylon lock-on	Bontrager XR Trail Elite, nylon lock-on	Bontrager XR Trail Elite, nylon lock-on	Bontrager XR Trail Elite, nylon lock-on

Groupset

Rear Derailleur	Shimano XT M8100, long cage	Shimano XT M8100, long cage	SRAM GX Eagle AXS	Shimano XTR M9100, Shadow Plus, long cage, 51T max cog	Shimano XTR M9100, Shadow Plus, long cage, 51T max cog	SRAM XX1 Eagle AXS
Crank	Ethirteen Espec Plus, 165mm length	Ethirteen Espec Plus, 165mm length	SRAM X1 1000, 34T, 165mm length	Ethirteen Espec Race carbon, 34T, 165mm length	Ethirteen Espec Race carbon, 34T, 165mm length	Ethirteen Espec Race carbon, 165 mm length
Shifters	Shimano SLX M7100, 12 speed	Shimano XT M8100, 12 speed	SRAM GX Eagle AXS, 12 speed	Shimano XTR M9100, 12 speed	Shimano XTR M9100, 12 speed	Size: S, M, L, XL, SRAM Eagle AXS, wireless, 12-speed; Size: S, M, L, XL, SRAM Eagle AXS, wireless, 12 speed
Cassette	Shimano SLX M7100, 10-51T, 12 speed	Shimano XT M8100, 10-51, 12 speed	SRAM Eagle XG-1275, 10-52, 12 speed	Shimano XTR M9101, 10-51, 12 speed	Shimano XTR M9101, 10-51, 12 speed	SRAM Eagle XG-1299, 10-52, 12-speed
Chain	Shimano SLX M7100, 12 speed	Shimano XT M8100, 12 speed	SRAM GX Eagle, 12 speed	Shimano Dura-Ace/XTR M9100, 12 speed	Shimano Dura-Ace/XTR M9100, 12 speed	SRAM XX1 Eagle, 12-speed
Brakes	Shimano 4-piston hydraulic disc, M6100 lever, M6120 caliper Type: Hydraulic Disc	Shimano XT M8120 4-piston hydraulic disc Type: Hydraulic Disc	SRAM Code R 4-piston hydraulic disc Type: Hydraulic Disc	Shimano XTR M9120 4-piston hydraulic disc Type: Hydraulic Disc	Shimano XTR M9120 4-piston hydraulic disc Type: Hydraulic Disc	SRAM Code RSC 4-piston hydraulic disc Type: Hydraulic Disc

Wheels

Rims	Bontrager Line Comp 30, Tubeless Ready	Bontrager Line Comp 30, Tubeless Ready	Front: Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'', Rear: Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29''	Front: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'', Rear: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 29''	Front: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, Rear: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle	Front: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru-axle, 29", Rear: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12 mm thru-axle, 29"
Front Hub	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle
Rear Hub	Size: S, M, L, XL, Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano MicroSpline freehub, Boost148, 12mm thru axle; Size: S, M, L, XL, Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle	Size: S, M, L, XL, Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano MicroSpline freehub, Boost148, 12mm thru axle; Size: S, M, L, XL, Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle
Tires	Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50''	Size: S, M, L, XL, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''; Size: S, M, L, XL, Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''	Size: S, M, L, XL, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''; Size: S, M, L, XL, Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''	Size: S, M, L, XL, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''; Size: S, M, L, XL, Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''	Size: S, M, L, XL, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''; Size: S, M, L, XL, Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''	Size: S, M, L, XL, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50"; Size: S, M, L, XL, Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50"
Disc Rotors	Shimano RT76, 6-bolt, 203mm	Shimano RT76, 6-bolt, 203mm	Size: S, M, L, XL, SRAM 6-bolt, 200mm; Size: S, M, L, XL, SRAM HS2, 6-bolt, 220mm	Shimano RT86, 6-bolt, 203mm	Shimano RT86, 6-bolt, 203mm	Size: S, M, L, XL, SRAM 6-bolt, 200 mm; Size: S, M, L, XL, SRAM HS2, 6-bolt, 220mm

Electric Components

Motor	Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm	Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm	Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm	Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm	Bosch Performance Line CX Race Edition, smart system, magnesium motor body, 85 Nm, 20 mph or 32 km/h max assist (25 km/h max assist in EU and APAC)	Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm
Battery	Size: S, Bosch PowerTube 625Wh, smart system; Size: M, L, XL, Bosch PowerTube 750Wh, smart system Recycling Program: ♻️ Call2Recycle	Size: S, Bosch PowerTube 625Wh, smart system; Size: M, L, XL, Bosch PowerTube 750Wh, smart system Recycling Program: ♻️ Call2Recycle	Size: S, Bosch PowerTube 625Wh, smart system; Size: M, L, XL, Bosch PowerTube 750Wh, smart system Recycling Program: ♻️ Call2Recycle	Size: S, Bosch PowerTube 625Wh, smart system; Size: M, L, XL, Bosch PowerTube 750Wh, smart system Recycling Program: ♻️ Call2Recycle	Size: S, Bosch PowerTube 625Wh, smart system; Size: M, L, XL, Bosch PowerTube 750Wh, smart system Recycling Program: ♻️ Call2Recycle	Size: S, Bosch PowerTube 625Wh, smart system; Size: M, L, XL, Bosch PowerTube 750Wh, smart system Recycling Program: ♻️ Call2Recycle
Charger	Size: S, M, L, XL, Bosch standard 2A, 110V, smart system; Size: S, M, L, XL, Bosch standard 4A, 110V, smart system	Bosch standard 4A, 110V, smart system	Bosch standard 4A, 110V, smart system	Bosch standard 4A, 230V, smart system	Bosch standard 4A, 110V, smart system	Bosch standard 4A, 230V, smart system

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