Cannondale CAAD Optimo 3 vs Jamis Helix A2

Frame	SmartForm C2 Alloy, SAVE, tapered headtube, fender mounts, 130x10mm QR	6061 aluminum main tubes, over-sized seat tube, zero-stack head tube, over-sized stays, replaceable derailleur hanger
Stem	6061 Alloy, 31.8, 7 degree	Jamis XC alloy threadless, 31.8 x 10˚ rise x 75mm (14”/16”), 90mm (18”)
Handle Bar	6061 Alloy, Compact	Jamis XC alloy riser, 31.8 x 20mm rise x 720mm
Fork	CAAD Optimo Full Carbon, 1-1/8" to 1-1/4" steerer, fender mounts, 100x9mm QR	SR Suntour XCE 28 DS 27.5”, coil spring, external preload adjustor, 28mm stanchions, aluminum lowers, 100mm travel
Seatpost	Cannondale 4, 6061 Alloy, 27.2x350mm	Jamis alloy micro-adjust, 31.6 x 350mm (14”) 400mm (16”/18”)
Grip	Cannondale Bar Tape, 3.5mm	Kraton
Crankset	FSA Vero Alloy, 50/34	Forged Alloy, 36/22T
Pedals	--	MTB platform, hi-impact resin
Chain	KMC X9, 9-speed	KMC Z8.3, 8-speed
Shifters	Shimano Sora, 9-speed	Shift levers : Shimano EF505, 2x8-speed
Saddle	Cannondale Stage CX	Jamis ATB Sport Women’s
Headset	CAAD Optimo, 1-1/8" to 1-1/4", 25mm top cap	Zero-stack internal cup, 8mm cone spacer
Derailleur Front	Shimano Sora, 31.8 clamp	--
Derailleur Rear	Shimano Sora GS	Shimano Tourney rear and Altus front
Hub Front	Formula RB-31	--
Hub Rear	Formula RB-32	--
Spoke	Stainless Steel, 14g	14G nickel-plated spokes
Cassette	Shimano HG50, 11-30, 9-speed	Shimano HG31, 8-speed, 11-32T
Bottom Bracket	Cartridge, square taper	Sealed cartridge

Front	Vittoria Zaffiro, 700x25c	CST Patrol, 27.5 x 2.25”
Rear	Vittoria Zaffiro, 700x25c	CST Patrol, 27.5 x 2.25”
Wheel / RIM	RS 3.0, 24h front, 28h rear	Alex TD26 27.5” rims, 32H, alloy disc hubs

Front	Promax RC-452, dual pivot calipers	Shimano MT200 hydraulic disc, Shimano RT26 160mm rotors
Rear	Promax RC-452, dual pivot calipers	Shimano MT200 hydraulic disc, Shimano RT26 160mm rotors
Brake Lever	Shimano Sora	--

Front	--	--
Rear	--	--

Colors

Black

Vanilla Mint Charcoal

Length

--

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Features	--	--
Additional Details	--	Sizes : 14”, 16”, 18”