Polygon Strattos S2 vs Trek 520 Grando

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)
Frame	ALX All-Round, QRx130mm	Trek butted chromoly disc touring, rack & fender mounts, 135 x 5 mm QR
Stem	Entity OE Alloy, EXT: 90mm (XS, S, M) / 105mm (L, XL), BB: 31.8mm, R/D: 10degree	Size : 48 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 80 mm length Size : 51 - Bontrager Elite, 31.8 mm, Blendr compatible, 7 degree, 90 mm length Size : 54, 57 - Bontrager Elite, 31.8 mm clamp, Blendr compatible, 7 degree, 100 mm length Size : 60, 63 - Bontrager Elite, 31.8 mm clamp, 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 : 48 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 40cm width Size : 51, 54 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 42cm width Size : 57, 60, 63 - Bontrager Comp VR-C, alloy, 31.8 mm, 100 mm reach, 124 mm drop, 44cm width
Fork	Light Weight Carbon Fork, Straight 1-1/8"	520 alloy disc touring, rack mounts, 100 x 5 mm ThruSkew
Seatpost	Entity Sport Alloy, 27.2 x 350mm	Size : 48 - Bontrager alloy, 27.2 mm, 12 mm offset, 250 mm length Size : 51, 54, 57, 60, 63 - Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length
Crankset	Prowheel Ounce-421C-TT-N 50/34T	Size : 48, 51 - ProWheel forged alloy, 42/28, 2-piece, 170 mm length Size : 54, 57, 60, 63 - ProWheel forged alloy, 42/28, 2-piece, 175 mm length
Pedals	Alloy Cage & Body w/ Reflector	Wellgo nylon body, alloy cage
Chain	KMC Z-8.3	KMC X10, 10 speed
Shifters	Shimano Claris ST-R2000, 2x8-Speed Dual Control Lever	Shimano Tiagra R4700, 10 speed
Saddle	Entity, Steel Dia 7mm	Bontrager Arvada, 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	1-1/8'' threadless, sealed cartridge bearings
Derailleur Front	Alloy QRx100mm 32H	Shimano Tiagra 4700, 34.9 mm clamp, down swing
Derailleur Rear	Shimano Claris RD-R2000-SS Direct Attach Alloy QRx130mm 32H	Shimano GRX RX400, long cage, 36T max cog
Hub Front	--	Shimano M475, 6-bolt disc, 135 x 5 mm QR
Hub Rear	--	Shimano M475, 6-bolt disc, 100 x 5 mm QR
Spoke	--	14g stainless steel
Cassette	Shimano CS-HG31 11-30T	Shimano HG50, 11-36, 10 speed
Bottom Bracket	Prowheel BSA Threaded FOR 2-Piece Crankset	--

Front	Performance Tire 700C​	Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700 x 40c
Rear	Performance Tire 700C​	Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700 x 40c
Wheel / RIM	Alloy Double Wall 622-15 32H	Bontrager Affinity Disc, Tubeless Ready, 36-hole, 21 mm width, presta valve

Front	TEKTRO R315 Caliper	TRP Spyre C 2.0 mechanical disc, 160 mm rotor
Rear	TEKTRO R315 Caliper	TRP Spyre C 2.0 mechanical disc, 160 mm rotor
Brake Lever	Shimano Claris ST-R2000	--

Front	--	--
Rear	--	--

Colors

Blue Light Red

Nautical Navy

Length	--	--
Weight	--	13.28 kg

Features	--	--
Additional Details	--	Cargo rack : Bontrager Carry Forward