Trek Emonda ALR 4 vs Trek Slash 8

Frame	Ultralight 300 Series Alpha Aluminum, Invisible Weld Technology, tapered head tube, BB86.5, direct mount rim brakes, internal cable routing, DuoTrap S compatible	--
Stem	Bontrager Elite, 31.8 mm, 7 degree, w/computer & light mounts	Bontrager Line, 35 mm, Knock Block, 0-degree, 40 mm length
Handle Bar	Bontrager Comp VR-C, 31.8 mm	Bontrager Line, alloy, 35 mm, 27.5 mm rise, 820 mm width
Fork	Emonda carbon, tapered steerer, direct mount rim brakes	RockShox Lyrik Select+, DebonAir spring, Charger 2.1 RC damper, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 170 mm travel
Seatpost	Bontrager alloy, 2-bolt head, 27.2 mm, 8 mm offset	TranzX JD-YSP39, 150 mm travel, internal routing, 34.9 mm
Grip	Bontrager tape	Bontrager XR Trail Pro, alloy lock-on
Crankset	Shimano Tiagra	SRAM X1 Eagle, DUB, 30T steel ring, Boost (55 mm chain line), 175 mm length
Chain	Shimano Tiagra	SRAM GX Eagle, 12-speed
Shifters	Shimano Tiagra, 10 speed	SRAM GX Eagle, 12-speed
Saddle	Bontrager Montrose Comp, chromoly rails	Bontrager Arvada, hollow chromoly rails, 138 mm width
Headset	Integrated, cartridge bearing, sealed, 1-1/8-inch top, 1.5-inch bottom	Knock Block 2.0 Integrated, 72-degree radius (includes infinite-radius chip), sealed cartridge bearing, 1-1/8" top, 1.5" bottom
Derailleur Front	Shimano Tiagra, braze-on	--
Derailleur Rear	Shimano Tiagra	SRAM GX Eagle
Hub Front	Alloy	--
Hub Rear	Alloy	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Cassette	Shimano Tiagra, 11-28, 10 speed	SRAM Eagle XG-1275, 10-52, 12-speed
Chainrings	50 / 34	Max: 34T, Min 28T
Bottom Bracket	--	SRAM DUB MTB Wide, 73 m, BSA threaded

Front	Bontrager R1 Hard-Case Lite, 700 x 25 c	Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.40"
Rear	Bontrager R1 Hard-Case Lite, 700 x 25 c	Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.60"
Wheel / RIM	Bontrager Affinity Tubeless Ready	Bontrager TLR

Front	Tektro T731, direct mount	SRAM Code R hydraulic disc, SRAM CenterLine, 6-bolt, round edge, 180 mm rotor
Rear	Tektro T731, direct mount	SRAM Code R hydraulic disc, SRAM CenterLine, 6-bolt, round edge, 200 mm rotor

Front	--	--
Rear	--	--

Colors

Viper Red/Trek Black

Lithium Grey Dnister Black

Length	--	--
Weight	--	15.04 kg

Features	--	- RockShox Super Deluxe Thru Shaft damper - Internal Storage - Active Braking Pivot
Additional Details	Axles : QR Bottom Bracket : Press Fit BB86.5	Shock : NEW RockShox Super Deluxe Ultimate, DebonAir spring, Thru Shaft 3-position damper, 230 x 62.5 mm Max compatible fork travel : 180 mm (596 mm axle-to-crown) Skewer rear : Bontrager Switch thru-axle, removable lever