Felt IA Advanced Ultegra DI2 vs Norco Search XR A2

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	Butted Aluminum, Smooth Welds
Stem	Felt Dagger 31.8 Cold Forged	Norco SL Aluminum, 31.8mm Clamp, 70mm (49), 80mm (52), 90mm (55), 100mm (58), 110mm (61)
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	Norco Super Flare Aluminum, 16 Degree Flare, 40cm (49), 42cm (52), 44cm (55), 46cm (58, 61)
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	Full Carbon, Through Axle
Seatpost	Felt VariMount Aero Tri UHC Advanced carbon fiber, 300 mm length	Aluminum 27.2mm
Grip	--	Griptacular Shockproof Tape
Crankset	Shimano Ultegra R8000, 52/36T, 48 -51 cm: 165 mm, 54 -56 cm: 170 mm, 58 cm: 172.5 mm	FSA Omega Modular 46/30 AGX+, 170mm (49, 52), 172.5mm (55, 58), 175mm (61)
Pedals	--	City Resin
Chain	Shimano 11-speed	KMC X10
Shifters	Shimano Dura-Ace Di2 R9160 (aero extension) with right hand SW-R600 secondary shifter (base bar)	Shimano Tiagra ST-4700
Saddle	ISM PS1.0	Selle Royal Gravel with Cutout
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	Sealed Cartridge Bearing
Derailleur Front	Shimano Ultegra R8050 Di2 braze-on	Shimano GRX FD-RX400
Derailleur Rear	Shimano Ultegra R8050 Di2 11-speed short cage	Shimano GRX RD-RX400 Shadow RD+
Hub Front	Reynolds Series 1, straight-pull design, 4 pawl, 24T ratchet, 11-speed XDR driver, 12 x 142 mm thru axle, Center Lock	12x100mm Through Axle, 6 Bolt
Hub Rear	Reynolds Series 1, straight-pull design, 12 x 100 mm thru axle, Center Lock	12x142mm Through Axle, HG, 6 Bolt
Spoke	Sapim Sprint bladed	Sapim Leader, Black
Cassette	Shimano 11-speed, 11-28T	Shimano CS-HG50, 11-36T, 10 Speed
Bottom Bracket	--	FSA BB386EVO for BSA

Front	Continental Grand Sport Race folding, 700 x 25c	Vittoria Terreno Dry 700x38c
Rear	Continental Grand Sport Race folding, 700 x 25c	Vittoria Terreno Dry 700x38c
Wheel / RIM	Reynolds AR58/62 DB Custom carbon, tubeless ready, 21 mm inner width, 58 mm depth front, 62 mm depth rear	Alloy Pinned, 28H, 23mm ID

Front	TRP HD-T910 hydraulic disc, 140 mm rotor	Tektro MD-C550 Dual-Piston Mechanical Disc, Resin Pads
Rear	TRP HD-T910 hydraulic disc, 140 mm rotor	Tektro MD-C550 Dual-Piston Mechanical Disc, Resin Pads
Brake Lever	TRP HD-T910 hydraulic with integrated secondary shift buttons (right lever only)	Shimano Tiagra ST-4700

Front	--	--
Rear	--	--

Colors

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

Beige/Grey

Length	--	--
Weight	9.55 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	--
Accessories	Carbon assembly paste, Aero seatpost slot covers, IA CALpac 2.0, Di2 Internal battery charger, IA BTSpac storage box, Tubeless valve stems	--