Trek Madone SLR 9 Gen 7 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)
Battery	Shimano BT-DN300	--
Charger	Charging cable included	--
Frame	800 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, IsoFlow seat tube, invisible cable routing, 3S aero chain keeper, T47 BB, flat mount disc, 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	--	Bontrager Line Pro, 35 mm, Direct Mount, 50 mm length
Handle Bar	Size: 47 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 35 cm control width, 38 cm drop width, 80 mm stem length Size: 50, 52 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 37 cm control width, 40 cm drop width, 90 mm stem length Size: 54 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 39 cm control width, 42 cm drop width, 90 mm stem length Size: 56, 58 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach,	Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
Fork	Madone KVF full carbon, tapered carbon steerer, internal brake routing, flat mount disc, carbon dropouts, 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: 47, 50, 52, 54 Madone aero carbon seat post, 0 mm offset, short length Size: 56, 58, 60, 62 Madone aero carbon seat post, 0 mm offset, long 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: 47 Shimano Dura-Ace R9200, 52/36, 165 mm length Size: 50, 52 Shimano Dura-Ace R9200, 52/36, 170 mm length Size: 54, 56, 58 Shimano Dura-Ace R9200, 52/36, 172.5 mm length Size: 60, 62 Shimano Dura-Ace R9200, 52/36, 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 Dura-Ace/XTR M9100, 12-speed	SRAM PC-1110, 11 speed
Shifters	Shimano Dura-Ace R9270 Di2, 12 speed	SRAM GX DH, 7 speed
Saddle	Size: 47, 50, 52 Aeolus RSL, carbon rails, 155 mm width Size: 54, 56, 58, 60, 62 Aeolus RSL, carbon rails, 145 mm width	Bontrager Arvada, hollow chromoly rails, 138 mm width
Derailleur Front	Shimano Dura-Ace R9250 Di2, braze-on, down swing	--
Derailleur Rear	Shimano Dura-Ace R9250 Di2, 34T max cog	SRAM GX DH, medium cage
Cassette	Shimano Dura-Ace R9200, 11-30, 12-speed	SRAM PG-720, 11-25, 7 speed
Chainrings	1x: 50T, 2x: 54/40	--
Bottom Bracket	Praxis, T47 threaded, internal bearing	SRAM DUB, 83 mm, BSA threaded

Front	Bontrager R4 320, 700x25 mm	Bontrager G5 Team Issue, wire bead, 2-ply 60tpi, 29 x 2.50''
Rear	Bontrager R4 320, 700x25 mm	Bontrager G5 Team Issue, wire bead, 2-ply 60tpi, 29 x 2.50''
Wheel / RIM	F: Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, 100x12 mm thru axle R: Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, Shimano 11/12 freehub, 142x12 mm thru axle	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	Shimano Dura-Ace hydraulic disc Rotors Shimano MT900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62) Shimano CL900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62)	SRAM Code R 4-piston hydraulic disc Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 180 mm
Rear	Shimano Dura-Ace hydraulic disc Rotors Shimano MT900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62) Shimano CL900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62)	SRAM Code R 4-piston hydraulic disc Brake Rotor : SRAM CenterLine, 6-bolt, round edge, 200 mm

Front	--	--
Rear	--	--

Colors

Deep Smoke Azure Satin Quicksilver Axinite Flip/Trek Black Viper Red Metallic Red Smoke to Red Carbon Smoke

Satin Trek Black

Length	--	--
Weight	7.1 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