Compare bikes: Compare Trek Rail 7 (2021) vs. Trek Rail 9.9 X01 AXS (2021) - Findabike

Shimano SLX M7100, 12-speed

SRAM XX1 Eagle, 12-speed

Rear: Shimano XT M8100, long cage, 51T max cog

Rear: SRAM X01 Eagle AXS

Shimano SLX M7100, 12-speed

SRAM Eagle AXS, wireless, 12-speed

Shimano SLX M7100, 10-51, 12-speed

SRAM XG-1295 Eagle, 10-52, 12-speed

RockShox Yari RC, DebonAir spring, Motion Control RC damper, e-MTB optimised, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel

RockShox ZEB Ultimate, DebonAir spring, Charger 2.1 RC2 damper, e-MTB optimised crown, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 170 mm travel

Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, magnesium rocker link, Motor Armour, Mino Link, ABP, Boost148, 12 mm thru axle, 150 mm travel

OCLV Mountain Carbon main frame, Removable Integrated Battery (RIB), tapered head tube, Knock Block, Control Freak internal routing, magnesium rocker link, Motor Armour, Mino Link, ABP, Boost148, 12 mm thru axle, 150 mm travel

Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8" top, 1.5" bottom

RockShox Deluxe Select+, 230x57.5 mm

NEW RockShox Super Deluxe Ultimate RT3, DebonAir spring, Thru Shaft 3-position damper, 230x57.5 mm

Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0-degree, 50 mm length

Bontrager Line Pro, 35 mm, Knock Block, Blendr-compatible, 0-degree, 45 mm length

Front: Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle - Rear: Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle

Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.60"

Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewall, aramid bead, 60 tpi, 29x2.60"

SRAM Code RSC hydraulic disc

Bontrager Rhythm Comp, alloy, 31.8 mm, 15 mm rise, 780mm width

Bontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm width

Bontrager XR Trail Comp, nylon lock-on

Bontrager XR Trail Elite, alloy lock-on

Bontrager Arvada, steel rails, 138 mm width

Bontrager Arvada, austenite rails, 138 mm width

Size: STranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length - Size: M, L, XLTranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length

Size: SBontrager Line Elite Dropper, 100 mm travel, internal routing, 31.6 mm, 340 mm length - Size: MBontrager Line Elite Dropper, 150mm travel, internal routing, 31.6 mm, 440mm length - Size: L, XLBontrager Line Elite Dropper, 170mm travel, internal routing, 31.6 mm, 480mm length

Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0-degree, 50 mm length

Bontrager Line Pro, 35 mm, Knock Block, Blendr-compatible, 0-degree, 45 mm length

Bosch Kiox with Anti-theft solution

Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 25 km/h (15.5 mph) max assist, 32 km/h for New Zealand