Felt IA Advanced Ultegra DI2 vs Montague Urban

Frame	Felt Integrated Aero Tri Disc UHC Advanced + TeXtreme carbon fiber, MMC with Inside Out construction, 68 mm BSA threaded bottom bracket shell, 12 x 142 mm with Syntace style thru axle, flat mount disc brake standard, horizontal dropouts, replaceable rear derailleur hanger, internal mechanical or electronic cable routing	Custom drawn 6061 Series, Aluminum tubing with DirectConnect System
Stem	Felt Dagger 31.8 Cold Forged	Kalloy alloy Threadless. 15 degree rise
Handle Bar	Devox Bayonet 3.1 base bar with Devox Ergomod extensions, ¯31.8 mm, 48 - 51 cm: 390 mm, 54 - 58 cm: 420 mm	Riser style 20mm rise. 580mm wide. Alloy. Black
Fork	Felt Dagger Disc UHC Advanced carbon fiber monocoque construction, 1.125" carbon fiber steerer, upper cover, blades, dropouts, crown; internal disc-brake routing, flat-mount disc brake standard, 12 x 100 mm thru axle	Rigid Unicrown, with ramped dropout
Seatpost	Felt VariMount Aero Tri UHC Advanced carbon fiber, 300 mm length	--
Crankset	Shimano Ultegra R8000, 52/36T, 48 -51 cm: 165 mm, 54 -56 cm: 170 mm, 58 cm: 172.5 mm	Suntour alloy 170mm crank arm. 48/38/28T. Black
Pedals	--	Trekking pedal with all-weather non-slip tread
Chain	Shimano 11-speed	--
Shifters	Shimano Dura-Ace Di2 R9160 (aero extension) with right hand SW-R600 secondary shifter (base bar)	Shimano EZ Fire trigger shifters
Saddle	ISM PS1.0	Gel with elastomer comfort system
Headset	FSA integrated, 1.125" 36¡/45¡ sealed ACB cartridge bearings MR122 {873E-RS}, split top race H2145 {No.11AGY-2} with Felt compression device	--
Derailleur Front	Shimano Ultegra R8050 Di2 braze-on	Shimano Altus
Derailleur Rear	Shimano Ultegra R8050 Di2 11-speed short cage	Shimano Acera, 7-Speed
Hub Front	Reynolds Series 1, straight-pull design, 4 pawl, 24T ratchet, 11-speed XDR driver, 12 x 142 mm thru axle, Center Lock	--
Hub Rear	Reynolds Series 1, straight-pull design, 12 x 100 mm thru axle, Center Lock	--
Spoke	Sapim Sprint bladed	14 Gauge Stainless
Cassette	Shimano 11-speed, 11-28T	--

Front	Continental Grand Sport Race folding, 700 x 25c	Kenda. 700c x 35mm
Rear	Continental Grand Sport Race folding, 700 x 25c	Kenda. 700c x 35mm
Wheel / RIM	Reynolds AR58/62 DB Custom carbon, tubeless ready, 21 mm inner width, 58 mm depth front, 62 mm depth rear	Spoke

Front	TRP HD-T910 hydraulic disc, 140 mm rotor	Tektro. Dual Pivot Caliper. Side pull with Quick Release
Rear	TRP HD-T910 hydraulic disc, 140 mm rotor	Tektro. Dual Pivot Caliper. Side pull with Quick Release
Brake Lever	TRP HD-T910 hydraulic with integrated secondary shift buttons (right lever only)	--

Front	--	--
Rear	--	--

Colors

Matte TeXtreme (White Geo) Matte TeXtreme (Spatter, Gloss Charcoal)

Smoke Silver

Length	--	--
Weight	9.55 kg	13 kg

Features	--	--
Additional Details	Bar tape : Devox Gel tape and new EVA arm pads with anti-microbial cover Bottom Bracket : Shimano Hollowtech BSA threaded Seatpost Clamp : Felt Internaloc integrated with titanium bolts Thru axle : Front: 12 x 100 x 118, thread: M12 x 1.5P x 13L, Maxle; Rear: 12 x 142 x 163 (163L + 9 head = 172 total), thread: M12 x 1.0P x 19L, Syntace	Hubset : Formula. Alloy, quick release Bottom Bracket : Semi-Sealed Cartridge Folded Size : 914 x 711 x 304 mm Speeds : 21
Accessories	Carbon assembly paste, Aero seatpost slot covers, IA CALpac 2.0, Di2 Internal battery charger, IA BTSpac storage box, Tubeless valve stems	--