Trek Madone SL 7 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, adjustable top tube IsoSpeed, invisible cable routing, 3S aero chain keeper, flat mount disc, Duo Trap S compatible, 142 x 12 mm thru axle	AURORA(Disc&thru-axle 12×142), high modulus Carbon fiber,Aero-Racing,Inner-Cables,Cut&HC, UV laser decals
Stem	Size : 50 - Bontrager Pro, 31.8 mm, Blendr compatible, 7 degree, 80 mm length Size : 52, 54 - Bontrager Pro, 31.8 mm, Blendr compatible, 7 degree, 90 mm length Size : 56, 58 - Bontrager Pro, 31.8 mm, Blendr compatible, 7 degree, 100 mm length Size : 60, 62 - Bontrager Pro, 31.8 mm, Blendr compatible, 7 degree, 110 mm length	--
Handle Bar	Size : 50, 52 - Bontrager Elite Aero VR-CF, alloy, 31.8 mm, invisible cable routing, 93 mm reach, 123 mm drop, 40cm width Size : 54, 56 - Bontrager Elite Aero VR-CF, alloy, 31.8 mm, invisible cable routing, 93 mm reach, 123 mm drop, 42cm width Size : 58, 60, 62 - Bontrager Elite Aero VR-CF, alloy, 31.8 mm, invisible cable routing, 93 mm reach, 123 mm drop, 44cm width	TW, high modulus Carbon fiber, Integrated Handlebar&Stem(420*90mm),UV water decals, full Inner-Cables
Fork	Madone KVF full carbon, tapered carbon steerer, invisible cable routing, flat mount disc, carbon dropouts, 12 x 100 mm thru axle	AURORA(Disc&thru-axle 12×100), high modulus Carbon fiber, 700C, UV laser decals
Seatpost	Size : 50, 52, 54, 56 - Madone aero carbon internal seatmast cap, integrated light mount, 25 mm offset, short length Size : 58, 60, 62 - Madone aero carbon internal seatmast cap, integrated light mount, 25 mm offset, tall length	High modulus Carbon fiber,Aero-Racing
Crankset	Size : 50, 52 - Shimano Ultegra R8000, 50/34 (compact), 170 mm length Size : 54, 56 - Shimano Ultegra R8000, 50/34 (compact), 172.5 mm length Size : 58, 60, 62 - 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 Ultegra Di2, R8070, 11-speed	--
Saddle	Bontrager Aeolus Comp, steel rails, 145 mm width	TW, comfortable&lightweight for racing
Headset	--	TW, Alu alloy CNC with sealed-Bearings 52*52mm
Derailleur Front	Shimano Ultegra R8050 Di2, braze-on	SHIMANO 105/R7000
Derailleur Rear	Shimano Ultegra R8050 Di2, short cage, 30T max cog	SHIMANO 105/R7000
Spoke	--	SHUNJIU, Flat 14G
Cassette	Shimano Ultegra R8000, 11-30, 11 speed	SUNSHINE-11S,11-32T
Bottom Bracket	Trek BB90	--

Front	Bontrager R3 Hard-Case Lite, aramid bead, 120 tpi, 700 x 25c	MAXXIS, 120PSI, 700C*25C
Rear	Bontrager R3 Hard-Case Lite, aramid bead, 120 tpi, 700 x 25c	MAXXIS, 120PSI, 700C*25C
Wheel / RIM	Front : Bontrager Aeolus Pro 5, OCLV Carbon, Tubeless Ready, 19.5 mm rim width, 50 mm rim depth, 100 x 12 thru axle Rear : Bontrager Aeolus Pro 5, OCLV Carbon, Tubeless Ready, 19.5 mm rim width, 50 mm rim depth, Shimano 11-speed freehub, 142 x 12 thru axle	RS, Alu Alloy AL7005,Double wall,Matte,W19×H36mm×700C

Front	Shimano Ultegra hydraulic disc, flat mount Brake Rotor : Shimano RT800, centerlock, 160 mm	ZOOM, cable pull Hydr+RS Center lock disc160/160
Rear	Shimano Ultegra hydraulic disc, flat mount Brake Rotor : Shimano RT800, centerlock, 160 mm	ZOOM, cable pull Hydr+RS Center lock disc160/160

Front	--	--
Rear	--	--

Colors

Matte Black/Gloss Alpine Blue

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

Length	--	--
Weight	8.25 kg	9.1 kg

About	--	The Aurora-Disc excels with its high-modulus carbon fiber components in the handlebar, fork, an Read More
Features	- 500 Series OCLV - KVF Tube Shape - Madone IsoSpeed Decoupler	--