Polygon Strattos S2 vs Trek Checkpoint ALR 4

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)
Frame	ALX All-Round, QRx130mm	300 Series Alpha Aluminum, tapered head tube, Control Freak internal routing, 3S chain keeper, rack and fender mounts, flat mount disc, horizontal sliding dropouts, 142 x 12 mm thru axle
Stem	Entity OE Alloy, EXT: 90mm (XS, S, M) / 105mm (L, XL), BB: 31.8mm, R/D: 10degree	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
Handle Bar	Entity Sport Alloy, W: 400mm (XS, S, M) / 420mm (L, XL), BB: 31.8mm, R/D: 124mm, B/R: 80mm	Size : 49 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 38cm width Size : 52 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 40cm width Size : 54, 56 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 42cm width Size : 58, 61 - Bontrager Elite IsoZone VR-CF, alloy, 31.8 mm, 93 mm reach, 123 mm drop, 44cm width
Fork	Light Weight Carbon Fork, Straight 1-1/8"	Checkpoint carbon, tapered alloy steerer, rack mounts, fender mounts, flat mount disc, 12 x 100 mm thru axle
Seatpost	Entity Sport Alloy, 27.2 x 350mm	Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 330 mm length
Crankset	Prowheel Ounce-421C-TT-N 50/34T	Size : 49 - Shimano GRX RX600, 46/30, 165 mm length Size : 52 - Shimano GRX RX600, 46/30, 170 mm length Size : 54, 56 - Shimano GRX RX600, 46/30, 172.5 mm length Size : 58, 61 - Shimano GRX RX600, 46/30, 175 mm length
Pedals	Alloy Cage & Body w/ Reflector	--
Chain	KMC Z-8.3	KMC X10
Shifters	Shimano Claris ST-R2000, 2x8-Speed Dual Control Lever	Shimano GRX RX400, 10 speed
Saddle	Entity, Steel Dia 7mm	Bontrager Montrose Comp, steel rails, 138 mm width
Headset	Zero Stack (ZS) Semi-Integrated Bearing for Straight Head Tube, ZS 44/28.6 | ZS 44/30, ID: 44mm	FSA Integrated, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom
Derailleur Front	Alloy QRx100mm 32H	Shimano GRX RX400, braze-on
Derailleur Rear	Shimano Claris RD-R2000-SS Direct Attach Alloy QRx130mm 32H	Shimano GRX RX400, long cage, 36T max cog
Hub Front	--	Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142 x 12 mm thru axle
Hub Rear	--	Bontrager alloy, sealed bearing, centerlock disc, 100 x 12 mm thru axle
Spoke	--	14g stainless steel
Cassette	Shimano CS-HG31 11-30T	Shimano Tiagra HG500, 11-34, 10 speed
Bottom Bracket	Prowheel BSA Threaded FOR 2-Piece Crankset	Shimano RS500, 86mm, PressFit

Front	Performance Tire 700C​	Bontrager GR1 Comp, wire bead, 60 tpi, 700 x 40c
Rear	Performance Tire 700C​	Bontrager GR1 Comp, wire bead, 60 tpi, 700 x 40c
Wheel / RIM	Alloy Double Wall 622-15 32H	Bontrager Tubeless Ready, 28-hole, 17 mm width, presta valve

Front	TEKTRO R315 Caliper	Shimano RX400 hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Rear	TEKTRO R315 Caliper	Shimano RX400 hydraulic disc, flat mount Brake Rotor : Shimano SM-RT70, centerlock, 160 mm
Brake Lever	Shimano Claris ST-R2000	--

Front	--	--
Rear	--	--

Colors

Blue Light Red

Rage Red Dark Aquatic

Length	--	--
Weight	--	10.26 kg

Features

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- Horizontal Sliding Dropout - 300 Series Alpha Aluminium