Felt Broam 40 vs Polygon Helios A7

Frame	Felt Adventure Road Disc Superlite custom butted aluminum, smooth welded construction, 68 mm BSA threaded bottom bracket shell, 12 x 142 mm with Syntace style thru axle, flat mount disc brake standard, replaceable rear derailleur hanger, internal mechanical cable routing	ACX Performance UCI Approved
Stem	Devox VariableAngle, ±8¡/±16¡ rise, ¯31.8 mm, 47 cm: 80 mm, 51 cm: 90 mm, 54 - 56 cm: 100 mm, 58 cm: 110 mm, 61 cm: 120 mm	FSA NS SMR, EXT: 90mm (XS, S) / 100mm (M, L) / 110mm (XL), BB: 31.8mm, R/D: 6degree
Handle Bar	Devox adventure bend, 86 mm reach, 130 mm drop, 8¡ flare, ¯31.8 mm, 47 cm: 400 mm, 51 cm: 420 mm, 54 cm: 440 mm, 56 - 61 cm: 460 mm	FSA Energy Compact, W: 400mm (XS, S) / 420mm (M, L) / 440mm (XL), BB: 31.8mm, R/D: 123.2mm, B/R
Fork	Felt Adventure Gravel UHC Advanced carbon fiber monocoque construction, ControlTaper 1.125" - 1.5" aluminum steerer tube, flat mount disc standard, 12 x 100 mm thru axle with mid-mount rack and fender mounts	ACX Performance UCI Approved, Taper 1-1/8" TO 1-1/2"
Seatpost	Devox Lite Road, ¯27.2 mm x 330 mm length	Carbon, Aero 35 x 337mm (XS) / 357mm (S, M, L, XL)
Crankset	Shimano GRX600 10 speed, 46/30T, 47-51 cm: 170 mm, 54 - 56 cm: 172.5 mm, 58 - 61 cm: 175 mm	SHIMANO 105 FC-R7000 52/36T, Crank Arm: 170mm (XS, S, M) / 172.5mm (L, XL)
Chain	KMC X-10, 10-speed	SHIMANO CN-HG601-11
Shifters	Shimano Tiagra 10-speed	SHIMANO 105 ST-R7020, 2x11-Speed DCL
Saddle	SR Essenza Blackstar Gel	ENTITY FLUX2, CR-MO ø 7mm
Headset	FSA integrated sealed cartridge bearing with Felt Variable Height Cone Spacers (20 mm PC, 4.5 mm aluminum), Felt top cap and aluminum bolt, No.42, 1.125 - 1.5"	Integrated (IS) Sealed Bearing for OS Head Tube, IS 52/28.6 | IS 52/40
Derailleur Front	Shimano GRX400 braze-on, with Ø31.8 mm clamp adapter	--
Derailleur Rear	Shimano GRX400, 10-speed long cage	SHIMANO 105 RD-R7000-SS Direct Attach
Hub Front	Devox GR.1 Disc, 11-speed, 12 x 142 mm thru axle, 6-bolt, 28H	Alloy Thru Axle 12x100mm 24H Sealed Bearings Center Lock
Hub Rear	Devox GR.1 Disc, 12 x 100 mm thru axle, 6-bolt, 28H	Alloy Thru Axle 12x142mm 24H Sealed Bearings Center Lock
Spoke	2.0 mm stainless steel	R: Stainless Straight Pull Butted NDS:279mm DS:277mm
Cassette	Shimano 10-speed, 11-34T	SHIMANO 105 CS-R7000-11 11-30T
Bottom Bracket	--	SHIMANO BB-RS500-PB

Front	Maxxis Refuse with Silkworm, folding, 700 x 40c	SCHWALBE One ADDIX 700x28C
Rear	Maxxis Refuse with Silkworm, folding, 700 x 40c	SCHWALBE One ADDIX 700x28C
Wheel / RIM	Devox Adventure 2.1 Disc, tubeless compatible 21 mm inner width, 23 mm depth	Wheel Set: ENTITY WR3 Disc (30mm) W/ Tubeless Tape Installed Rim: Carbon 622-19 24H for Tyre 622-28/62 Disc Tubeless Ready

Front	TRP HY/RD mechanically actuated hydraulic flat mount disc, 160 mm rotor	SHIMANO SM-RT70 160mm Rotor, SHIMANO 105 BR-R7070 Flat Caliper
Rear	TRP HY/RD mechanically actuated hydraulic flat mount disc, 140 mm rotor	SHIMANO SM-RT70 140mm Rotor, SHIMANO 105 BR-R7070 Flat Caliper
Brake Lever	Shimano Tiagra	SHIMANO 105 ST-R7020

Front	--	--
Rear	--	--

Colors

Midnight Blue Fade (Black) Sage Mist (Black)

Cobalt Blue

Length

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About	--	The Polygon Helios A7, featuring a UCI-approved ACX Performance frame and fork, offers precise Read More
Features	- Dual-wheel compatibility (650b and 700c) - Massive tire clearance for all road and trail surface types - Sleek storage solutions, and rack- and fender-ready	--
Additional Details	Bar Tape : Felt VelvetGel tape with 3M reflective base with reflective Felt Bubble-Tech F-Wing bar end plugs Bottom Bracket : Shimano Hollowtech BSA threaded Seatpost Clamp : Felt single bolt, 31.8 mm diameter Thru Axles : Front: 12 x 100 x 125, thread: M12 x 1.5P x 17L, Maxle; Rear: 12 x 142 x 163 (163L + 9 head = 172 total), thread: M12 x 1.0P x 19L, Syntace	--