Bianchi Aria e-Road 105 Di2 12sp vs Surly Big Easy

Fuel	Electric	Electric
Motor	Mahle X35 Plus 250W motor unit, iWOC One remote control, BLE and ANT+ compatible	--
Drivetrain	--	Drive Unit: Bosch Performance CX [20m/h]
Battery	Mahle X35+ 250Wh	Bosch PowerPack 500
Display	--	Bosch Purion
Frame	E-Road Aria aero carbon, mechanical/electronic, BB-PressFit 86,5x41, head tube 1.4"-1.1/8", integrated seat clamp, full carbon dropout, aero shape DT-ST, Disc brake flat mount, QR sytem, OLD 135mm sizes 47-50-53-55-57-59-61cm	Surly Big Easy Frame for Bosch Mid Drive
Stem	Velomann, raise - 6°, height 38mm, Oversize, 1 1/8", size 90/100/110/120cm Ext: 90mm-48/50cm, 100mm-52/54cm, 110mm-56cm, 120mm-58cm	ProMax 4-bolt 31.8mm clamp
Handle Bar	Velomann, Flat Top, alloy 6061 diam. 31,8mm, reach 80mm, drop 130mm Size: 400mm-44/53cm, 420mm-55/59cm, 440mm-61cm	Surly Terminal Bar
Fork	Full Carbon Aero Road 1.4">1.1/8" integrated head , Disc brake flat mount, thru axle 12x100	Surly Big Easy Fork
Seatpost	Full Carbon Aero special dimension, special Clamp type with alloy head adjustable and reversible +/- 35mm; lenght: 300mm - 47/50cm; 350mm - 53/61	TranzX SP15 Dropper Post Clamp: Surly Stainless
Grip	La Spirale Ribbon cork	Velo single lock-on
Crankset	Shimano, FC-R7100, 105, 50-34T Crank Length: 47-50-53 - 170mm 55-57-59 - 172.5mm61L - 175mm	Miranda for Big Easy
Chain	Shimano, CN-M7100, HG 12-Speed	KMC X11e
Shifters	Shimano Disc Brake Set, 105, ST-R7170	SRAM NX 11 speed
Saddle	Velomann, carbon steel rail, 262x145	WTB Volt
Headset	FSA Orbit C-33, NO.44E, 1-1/8	Cane Creek ViscoSet [tuned for Surly Big Easy] upper. 40 series lower
Derailleur Front	Shimano, FD-R7150, 105	--
Derailleur Rear	Shimano, RD-R7150, 105,12-SPEED	SRAM GX
Hub Front	--	Shimano M525, 32h, QR
Hub Rear	FSA Vision Trimax alloy disc with rear Mahle motor hub	Shimano M525, 32h, QR
Bottom Bracket	Shimano,SM-BB72-41B, Press Fit Type for Road, Bearing, Inner Cover	Included in Bosch Unit

Front	Vittoria Rubino Pro G2.0 graphene, 700 x 28c, 150TPI	Surly ExtraTerrestrial 26x2.5" Tubeless Ready
Rear	Vittoria Rubino Pro G2.0 graphene, 700 x 28c, 150TPI	Surly ExtraTerrestrial 26x2.5" Tubeless Ready
Wheel / RIM	FSA Vision Trimax alloy disc with rear Mahle motor hub	Rims: WTB STS i29 TCS

Front	Shimano, SM-RT86, S 160mm Disc	Tektro Orion 4 Piston HD-M745
Rear	Shimano, SM-RT86, S 160mm Disc	Tektro Orion 4 Piston HD-M745
Brake Lever	--	Tektro

Front	--	--
Rear	--	--

Colors

1A - CK16 / Black Full Glossy PZ - Summertime Dream / Black Full Glossy

Forest Green Tan Cargo Shorts

Length

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Features	--	- Kickstand plate. - Dedicated Rohloff cable routing and mount for OEM 2 axle plate. - Internal dropper post routing compatible. - Dual Bosch PowerPack Battery Mounts. - Equipped with Bosch Performance CX, their most powerful drive unit. - Damping headset for smooth and stable handling under heavy loads. - Capable of running dual batteries for extended range, if you’re into that. (All mounting hardware and wiring included.) - ExtraTerrestrial tires and durable wheel builds.
Additional Details	--	Size: SM - MD - LG Rotors: Tektro 6-Bolt 180mm Kickstand: Alloy w/ Stainless bolt Cog or cogset: SunRace CSMS7 11-42