Trek Domane SL 4 vs Trek Slash 8

Load Carrying Capacity	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)	--
Frame	500 Series OCLV Carbon, front & rear IsoSpeed, internal storage, tapered head tube, internal cable routing, 3S chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 142 x 12 mm thru axle	--
Stem	Size : 44 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 60 mm length ( Size : 47 - 70 mm length ) Size : 52, 54 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 90 mm length ( Size : 50 - 80 mm length ) Size : 56, 58 - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 100 mm length Size : 60, 62 - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 110 mm length	Bontrager Line, 35 mm, Knock Block, 0-degree, 40 mm length
Handle Bar	Size : 44, 47 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 36cm width Size : 50 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 38cm width Size : 52 - Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 40cm width Size : 54, 56 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 42cm width Size : 58, 60, 62 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 44cm width	Bontrager Line, alloy, 35 mm, 27.5 mm rise, 820 mm width
Fork	Domane SL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12 x 100 mm thru axle	RockShox Lyrik Select+, DebonAir spring, Charger 2.1 RC damper, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 170 mm travel
Seatpost	Size : 44, 47, 50, 52, 54, 56 - Bontrager aluminum internal seatmast cap, 10 mm offset, short length Size : 58, 60, 62 - Bontrager aluminum internal seatmast cap, 10 mm offset, tall length	TranzX JD-YSP39, 150 mm travel, internal routing, 34.9 mm
Grip	Bontrager Supertack Perf tape	Bontrager XR Trail Pro, alloy lock-on
Crankset	Size : 44, 47 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 165 mm length Size : 50, 52 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 170 mm length Size : 54, 56 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 172.5 mm length Size : 58, 60, 62 - Praxis Alba M30, 50/34 (compact), 30 mm spindle, 175 mm length	SRAM X1 Eagle, DUB, 30T steel ring, Boost (55 mm chain line), 175 mm length
Chain	Shimano Tiagra HG54, 10 speed	SRAM GX Eagle, 12-speed
Shifters	Shimano Tiagra R4725, short reach lever, 10 speed	SRAM GX Eagle, 12-speed
Saddle	Bontrager Arvada Comp, steel rails, 138 mm width	Bontrager Arvada, hollow chromoly rails, 138 mm width
Headset	FSA Integrated, sealed cartridge bearing, 1-1/8 top, 1.5 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 105 R7000, braze-on	--
Derailleur Rear	Shimano Tiagra 4700, long cage, 34T max cog	SRAM GX Eagle
Hub Front	Bontrager alloy, sealed bearing, centerlock, Shimano 11-speed freehub, 142 x 12 mm thru axle	--
Hub Rear	Bontrager alloy, sealed bearing, centerlock disc, 100 x 12 mm thru axle	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Spoke	14g stainless steel	--
Cassette	Shimano Tiagra HG500, 12-28, 10 speed	SRAM Eagle XG-1275, 10-52, 12-speed
Chainrings	50 / 34 (compact)	Max: 34T, Min 28T
Bottom Bracket	Praxis, T47 threaded, internal bearing	SRAM DUB MTB Wide, 73 m, BSA threaded

Front	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c	Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.40"
Rear	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700 x 32c	Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.60"
Wheel / RIM	Bontrager Affinity Disc, Tubeless Ready, 24-hole, 21 mm width, presta valve	Bontrager TLR

Front	Shimano Tiagra hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm	SRAM Code R hydraulic disc, SRAM CenterLine, 6-bolt, round edge, 180 mm rotor
Rear	Shimano Tiagra hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm	SRAM Code R hydraulic disc, SRAM CenterLine, 6-bolt, round edge, 200 mm rotor
Brake Lever	Shimano Tiagra R4720, 10 speed	--

Front	--	--
Rear	--	--

Colors

Slate/Radioactive Red Voodoo Trek Black

Lithium Grey Dnister Black

Length	--	--
Weight	9.87 kg	15.04 kg

Features	- Massive tire clearance - IsoSpeed Decoupler - 500 Series OCLV - Endurance Fit - Micro-Adjust Seatmast - Additional Tire Clearance - Endurance Geometry - Performance Cable Routing - Fender Compatible	- RockShox Super Deluxe Thru Shaft damper - Internal Storage - Active Braking Pivot
Additional Details	--	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
Accessories	Bontrager BITS Internal Frame Storage Bag	--