Trek 520 Disc vs Trek Madone SLR 9 Gen 7

Load Carrying Capacity	--	125 kg (275 lb)
Battery	--	Shimano BT-DN300
Charger	--	Charging cable included
Frame	Trek butted chromoly disc touring, rack & fender mounts	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
Stem	Bontrager Elite, 31.8 mm, 7 degree, Blendr compatible	--
Handle Bar	Bontrager Race VR-C, 31.8 mm	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,
Fork	Chromoly touring disc with lowrider mounts	Madone KVF full carbon, tapered carbon steerer, internal brake routing, flat mount disc, carbon dropouts, 12x100mm thru axle
Seatpost	Bontrager SSR, 2-bolt head, 27.2 mm, 12 mm offset	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
Grip	Bontrager Gel Cork	Bontrager Supertack Perf tape
Crankset	Shimano Trekking M590	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
Pedals	Nylon platform with cages	--
Chain	KMC X9	Shimano Dura-Ace/XTR M9100, 12-speed
Shifters	Shimano Dura-Ace handlebar-end	Shimano Dura-Ace R9270 Di2, 12 speed
Saddle	Bontrager Evoke 1	Size: 47, 50, 52 Aeolus RSL, carbon rails, 155 mm width Size: 54, 56, 58, 60, 62 Aeolus RSL, carbon rails, 145 mm width
Headset	VP Slimstak, sealed semi-cartridge bearings	--
Derailleur Front	Shimano Alivio	Shimano Dura-Ace R9250 Di2, braze-on, down swing
Derailleur Rear	Shimano Deore	Shimano Dura-Ace R9250 Di2, 34T max cog
Hub Front	Shimano M475	--
Hub Rear	Shimano M475	--
Cassette	--	Shimano Dura-Ace R9200, 11-30, 12-speed
Chainrings	48 / 36 / 26 with chainguard	1x: 50T, 2x: 54/40
Bottom Bracket	--	Praxis, T47 threaded, internal bearing

Front	Bontrager AW1 Hard-Case, 700 x 32 c	Bontrager R4 320, 700x25 mm
Rear	Bontrager AW1 Hard-Case, 700 x 32 c	Bontrager R4 320, 700x25 mm
Wheel / RIM	Bontrager Tubeless Ready 36-hole	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	Hayes CX Expert mechanical disc	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)
Rear	Hayes CX Expert mechanical disc	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)

Front	--	--
Rear	--	--

Colors

Cosmic Black

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

Length	--	--
Weight	--	7.1 kg

Features	- You'll feel the difference: nothing rides like a Trek - Low touring mounts front and rear stabilize heavy loads - Disc brakes give you all-weather stopping power - Balanced geometry is ultra-stable even when fully loaded	--
Additional Details	Bottom Bracket : Sealed cartridge Rear Cogs : Shimano HG50, 11-32, 9 speed	--