Trek Speed Concept vs Twitter Aurora-Disc

Load Carrying Capacity	Combined weight of bicycle, rider, and cargo of 275 pounds (125 kg)	--
Frame	500 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, BB90, Speed Fin compatible, DuoTrap compatible, SC Draft Box 2 & SC Speed Box 2 compatible	AURORA(Disc&thru-axle 12×142), high modulus Carbon fiber,Aero-Racing,Inner-Cables,Cut&HC, UV laser decals
Stem	Size : S - Bontrager Speed Concept, direct mount, 69 mm rise, 67 mm reach Size : S, M, L, XL - Bontrager Speed Concept, direct mount Size : M, L, XL - Bontrager Speed Concept, direct mount, 61 mm rise, 110 mm reach	--
Handle Bar	Bontrager Speed Concept KVF aero bar, carbon, direct mount, UCI legal	TW, high modulus Carbon fiber, Integrated Handlebar&Stem(420*90mm),UV water decals, full Inner-Cables
Fork	SC full foil carbon, integrated brake & stem	AURORA(Disc&thru-axle 12×100), high modulus Carbon fiber, 700C, UV laser decals
Seatpost	Size : S - Bontrager Speed Concept Race Lite, alloy, +/-20 mm offset, 275 mm length Size : M, L, XL - Bontrager Speed Concept Race Lite, alloy, +/-20 mm offset, 335 mm length	High modulus Carbon fiber,Aero-Racing
Grip	Bontrager tape	--
Crankset	Size : S - Shimano Ultegra R8000, 50/34 (compact), 165 mm length Size : M - Shimano Ultegra R8000, 50/34 (compact), 170 mm length Size : L - Shimano Ultegra R8000, 50/34 (compact), 172.5 mm length Size : XL - Shimano Ultegra R8000, 50/34 (compact), 175 mm length	RETROSPEC, Alu alloy, Hollow,34-50T
Pedals	--	RS ultra-light Alu alloy CNC with sealed-Bearings for Road
Chain	Shimano Ultegra HG701, 11-speed	SUMC-11S
Shifters	Shimano Dura-Ace, bar end, 11 speed	--
Saddle	Bontrager Hilo Comp, hollow chromoly rails	TW, comfortable&lightweight for racing
Headset	Integrated, sealed bearings	TW, Alu alloy CNC with sealed-Bearings 52*52mm
Derailleur Front	Shimano Ultegra R8000, braze-on	SHIMANO 105/R7000
Derailleur Rear	Shimano Ultegra R8000, short cage, 30T max cog	SHIMANO 105/R7000
Spoke	--	SHUNJIU, Flat 14G
Cassette	Shimano Ultegra R8000, 11-28, 11 speed	SUNSHINE-11S,11-32T
Chainrings	50/34 (compact)	--
Bottom Bracket	Trek BB90	--

Front	Bontrager R2 Hard-Case Lite, aramid bead, 60 tpi, 700 x 25c	MAXXIS, 120PSI, 700C*25C
Rear	Bontrager R2 Hard-Case Lite, aramid bead, 60 tpi, 700 x 25c	MAXXIS, 120PSI, 700C*25C
Wheel / RIM	Front : Bontrager Aeolus Comp, OCLV Carbon, Tubeless Ready, 100 x 5 mm QR Rear : Bontrager Aeolus Comp, OCLV Carbon, Tubeless Ready, Shimano 11-speed freehub, 130 x 5 mm QR	RS, Alu Alloy AL7005,Double wall,Matte,W19×H36mm×700C

Front	Bontrager Speed Limit integrated, Bontrager Race Lite aero levers	ZOOM, cable pull Hydr+RS Center lock disc160/160
Rear	Bontrager Speed Limit integrated, Bontrager Race Lite aero levers	ZOOM, cable pull Hydr+RS Center lock disc160/160
Brake Lever	Bontrager Race Lite aero	--

Front	--	--
Rear	--	--

Colors

Viper Red / Trek White Crystal White/Blue Matte Onyx Carbon Matte/Gloss Trek Black

Holographic color +(Red / Orange / Yellow / Blue / DarkGray / CementGray / Silver / White)

Length	--	--
Weight	9.09 kg	9.1 kg

About	--	The Aurora-Disc excels with its high-modulus carbon fiber components in the handlebar, fork, an Read More
Features	- KVF tube shape - Ultra-clean front end - Fast build, easy adjustment - 500 series OCLV - Integrated speed storage	--