Trek Domane AL 2 Gen 4 vs Trek Session 8 29 GX

Load Carrying Capacity	125 kg (275 lb)	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	100 Series Alpha Aluminium, tapered head tube, internal routing, mudguard mounts, flat-mount disc, UDH, 142x12 mm thru axle	Alpha Platinum Aluminum, high main pivot, idler pulley, integrated frame protection, internal or external routing, magnesium rocker link, Mino Link, ISCG 05 2-bolt mount, Active Braking Pivot, 157 x 12 mm thru axle, 200 mm travel
Stem	Size: 44 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length Size: 49 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length Size: 52, 54 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length Size: 56, 58 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length Size: 61 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 110 mm length	Bontrager Line Pro, 35 mm, Direct Mount, 50 mm length
Handle Bar	Size: 44 Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 36 cm control width, 40 cm drop width Size: 44, 49 Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 38 cm width Size: 49 Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 38 cm control width, 42 cm drop width Size: 52 Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 40 cm control width, 44 cm drop width Size: 52 Bontrager Comp VR-S, alloy, 31.8 mm, 81 mm reach, 118 mm drop, 40 cm width Siz	Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
Fork	Domane AL carbon, tapered carbon steerer, internal brake routing, fender mounts, flat mount disc, 12x100mm thru axle	RockShox Boxxer Select, DebonAir spring, Charger RC damper, 46 mm offset, 20 x 110 mm Boost thru axle, 200 mm travel
Seatpost	Size: 44, 49 Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 250 mm length Size: 52, 54, 56, 58, 61 Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 330 mm length	Bontrager Rhythm Elite, 31.6 mm, 0 mm offset, 330 mm length
Grip	Bontrager Supertack Perf tape	Bontrager XR Trail Elite, nylon lock-on
Crankset	Size: 44 Shimano RS200, 50/34 (compact), 165 mm length Size: 49, 52, 54 Shimano RS200, 50/34 (compact), 170 mm length Size: 56, 58, 61 Shimano RS200, 50/34 (compact), 175 mm length	Truvativ Descendant DH, DUB 83, 34T steel ring, 165 mm length
Pedals	--	Wellgo BO-87B, alloy body, Cro-Mo axle, replaceable pins
Chain	Shimano Sora HG71, 8 speed	SRAM PC-1110, 11 speed
Shifters	Shimano Claris ST-R2000-R, 8 speed, right Shimano Claris ST-R2000-L, 8 speed, left	SRAM GX DH, 7 speed
Saddle	Verse Short, steel rails, 145 mm width	Bontrager Arvada, hollow chromoly rails, 138 mm width
Derailleur Front	Shimano Claris R2000, 31.8 mm clamp	--
Derailleur Rear	Shimano Claris R2000, medium cage, 34T max cog	SRAM GX DH, medium cage
Hub Front	Formula RX-512 alloy, 6-bolt, 100x12 mm thru axle	--
Hub Rear	Formula RX-142 alloy, 6-bolt, Shimano 11-speed freehub, 142x12 mm thru axle	--
Spoke	14 g stainless steel, black	--
Cassette	Shimano HG31, CS-HG31, 11-32, 8 speed	SRAM PG-720, 11-25, 7 speed
Chainrings	1x: 50T, 2x: 50/34	--
Bottom Bracket	Shimano UN300, 68 mm, threaded cartridge, 110 mm spindle	SRAM DUB, 83 mm, BSA threaded

Front	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm	Bontrager G5 Team Issue, wire bead, 2-ply 60tpi, 29 x 2.50''
Rear	Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32 mm	Bontrager G5 Team Issue, wire bead, 2-ply 60tpi, 29 x 2.50''
Wheel / RIM	Bontrager Paradigm SL, Tubeless Ready, 24-hole, 21 mm width, Presta valve	Front : Bontrager Line DH 30, Tubeless Ready, 6-bolt, 110 x 20 mm Boost thru axle Rear : Bontrager Line DH 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano 7 speed freehub, 157 x 12 mm thru axle

Front	Tektro C550 mechanical disc brake, dual piston, flat mount Tektro wave, 6-bolt, 160 mm	SRAM Code R 4-piston hydraulic disc Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 180 mm
Rear	Tektro C550 mechanical disc brake, dual piston, flat mount Tektro wave, 6-bolt, 160 mm	SRAM Code R 4-piston hydraulic disc Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 200 mm

Front	--	--
Rear	--	--

Colors

Crimson to Dark Carmine Fade Matte Lithium Grey

Satin Trek Black

Length	--	--
Weight	56 - 10.55 kg	17.68 kg

Features	--	- Rock the mullet - Active Braking Pivot - Suspension Calculator
Additional Details	--	Shock : Size : R1 - Fox VAN Performance, 400lb spring, 250 x 72.5 mm Size : R2 - Fox VAN Performance, 450lb spring, 250 x 72.5 mm Size : R3 - Fox VAN Performance, 500lb spring, 250 x 72.5 mm