Trek Checkpoint AL 3 vs Trek Madone SLR 9 Gen 7

Load Carrying Capacity	--	125 kg (275 lb)
Battery	--	Shimano BT-DN300
Charger	--	Charging cable included
Frame	Alpha 200 series aluminum, tapered head-tube, BB86.5, flat-mount disc brakes, internal cable routing, with rack mounts and hidden 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, with computer & light mounts	--
Handle Bar	Bontrager Comp 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	Checkpoint carbon disc, tapered steerer, flat mount disc brakes, rack mounts, hidden fender mounts	Madone KVF full carbon, tapered carbon steerer, internal brake routing, flat mount disc, carbon dropouts, 12x100mm thru axle
Seatpost	Bontrager Approved, alloy, 27.2 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	Bontrager tape	Bontrager Supertack Perf tape
Crankset	Shimano Sora	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
Chain	Shimano Sora	Shimano Dura-Ace/XTR M9100, 12-speed
Shifters	Shimano Sora, 9 speed	Shimano Dura-Ace R9270 Di2, 12 speed
Saddle	Bontrager Arvada Comp, steel rails	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	Integrated, cartridge bearing, sealed, 1-1/8 top, 1.5 bottom	--
Derailleur Front	Shimano Sora	Shimano Dura-Ace R9250 Di2, braze-on, down swing
Derailleur Rear	Shimano Sora	Shimano Dura-Ace R9250 Di2, 34T max cog
Hub Front	Formula alloy disc, 24h	--
Hub Rear	Formula alloy disc, 24h	--
Cassette	Shimano Sora, 11-32, 9 speed	Shimano Dura-Ace R9200, 11-30, 12-speed
Chainrings	50 / 34 (compact)	1x: 50T, 2x: 54/40
Bottom Bracket	--	Praxis, T47 threaded, internal bearing

Front	Bontrager R1 Hard-Case Lite, 700 x 32 c	Bontrager R4 320, 700x25 mm
Rear	Bontrager R1 Hard-Case Lite, 700 x 32 c	Bontrager R4 320, 700x25 mm
Wheel / RIM	Bontrager Affinity, Tubeless Ready, 24h	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	Tektro C550 Spyre, dual-piston mechanical disc brake, 160 mm rotor	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	Tektro C550 Spyre, dual-piston mechanical disc brake, 160 mm rotor	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

Era White Olive Grey Trek 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	--	--
Additional Details	Axles Front : 12 mm thru axle Rear : 12 mm thru-axle Bottom Bracket : Sealed cartridge	--