Trek Loft 7D Step-Over vs Trek Madone SLR 9 Gen 7

Load Carrying Capacity	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)	125 kg (275 lb)
Battery	--	Shimano BT-DN300
Charger	--	Charging cable included
Frame	6061-T6 aluminum with patented Flat Foot Technology	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	Steel 25.4 mm quill	--
Handle Bar	Alloy custom bend 30 mm rise	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	High-tensile steel unicrown, straight/tapered leg	Madone KVF full carbon, tapered carbon steerer, internal brake routing, flat mount disc, carbon dropouts, 12x100mm thru axle
Seatpost	Alloy micro adjust 27.2 mm x 300 mm	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	Hand-stitched leatherette	Bontrager Supertack Perf tape
Crankset	Forged alloy, 170 mm with 44T, alloy chainguard	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	Alloy platform with non-slip rubber tread	--
Chain	KMC Z7 nickel plated	Shimano Dura-Ace/XTR M9100, 12-speed
Shifters	Shimano Revo 7-speed twist shifter	Shimano Dura-Ace R9270 Di2, 12 speed
Saddle	Retro leatherette dual spring	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	1" steel threaded	--
Derailleur Front	--	Shimano Dura-Ace R9250 Di2, braze-on, down swing
Derailleur Rear	Shimano Tourney TX 7-speed	Shimano Dura-Ace R9250 Di2, 34T max cog
Hub Front	Alloy 32h, nutted	--
Hub Rear	Alloy 32h, nutted	--
Cassette	Shimano 7-speed 14-34T	Shimano Dura-Ace R9200, 11-30, 12-speed
Chainrings	--	1x: 50T, 2x: 54/40
Bottom Bracket	Sealed cartridge 68 mm/116 mm	Praxis, T47 threaded, internal bearing

Front	700 x 35c City tread	Bontrager R4 320, 700x25 mm
Rear	700 x 35c City tread	Bontrager R4 320, 700x25 mm
Wheel / RIM	Double-wall alloy, 700c x 32h	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	Alloy dual pivot caliper	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	Alloy dual pivot caliper	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

Matte Khaki Matte Indigo

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

Length	--	--
Weight	13.61 kg	7.1 kg

Features	- Flat Foot Technology - Derailleur Gear System	--
Additional Details	Painted fenders Ring lock mounts Dual water bottle/accessory mounts Alloy kickstand Stainless steel and anti-rust hardware	--