Compare: 2021 Poseidon FLATBAR X vs Flatbar Shadow Redwood vs Flatbar Green Redwood

Bike Comparison

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	FLATBAR X2021 Poseidon	Flatbar Shadow Redwood2021 Poseidon	Flatbar Green Redwood2021 Poseidon

MSRP	$649	$879	$879
Where to Buy	— $1 At	— $1 At	— $1 At
Category	Gravel	Gravel	Gravel
Weight	24.0 lbs
	3.3	3.0	3.0
Frame	Aluminum	Aluminum	Aluminum
Fork	Carbon	Aluminum	Aluminum
Wheels		Aluminum	Aluminum
Wheel Size	700c	650b	650b
Brakes	Mechanical Disc	Mechanical Disc	Mechanical Disc
Groupset	microSHIFT Advent X	microSHIFT Advent X	microSHIFT Advent X
Drivetrain	1 × 10	1 × 10	1 × 10
Brand Site	poseidonbike.com	poseidonbike.com	poseidonbike.com
Summary	The Poseidon FLATBAR X, Poseidon Flatbar Shadow Redwood, and Poseidon Flatbar Green Redwood are all aluminum frame gravel bikes with upper mid-range components and mechanical disc brakes. The FLATBAR X has a carbon fork, 700c wheels, and higher gearing.

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Gear Range

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

30 mph

FLATBAR X

28 mph

Flatbar Shadow Redwood

28 mph

Flatbar Green Redwood

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Geometry

Specs

	FLATBAR X2021 Poseidon	Flatbar Shadow Redwood2021 Poseidon	Flatbar Green Redwood2021 Poseidon

Frame	6061 Double Butted Hydroformed Aluminum BB Standard: BSA, 68mm, Threaded	6061 Double Butted Hydroformed Aluminum BB Standard: BSA, 68mm, Threaded	6061 Double Butted Hydroformed Aluminum BB Standard: BSA, 68mm, Threaded
Fork	Full Carbon fork – Tapered 1 1/8" – 1 1/2"	6061 Aluminum Fork – Tapered Steer 1 1/8" – 1 1/2"	6061 Aluminum Fork – Tapered Steer 1 1/8" – 1 1/2"
Bottom Bracket	68mm English Threaded Square Taper	73mm English Threaded Square Taper	73mm English Threaded Square Taper
Handlebar	Poseidon Flatbars 720mm Wide with 6d Sweep	Poseidon Flatbar	Poseidon Flatbar
Saddle		Poseidon X alloy rails	Poseidon X alloy rails
Seatpost	Poseidon X Alloy 27.2	Promax Alloy 31.6	Promax Alloy 31.6
Pedals	Platform Pedals	Platform Pedals	Platform Pedals

Groupset

Rear Derailleur	MicroShift Advent X with Clutch	MicroShift Advent X 10 Speed with Clutch	MicroShift Advent X 10 Speed with Clutch
Crank	Prowheel 38t Narrow Wide Chainring 1x Crankset	Prowheel 38t Narrow Wide Crank	Prowheel 38t Narrow Wide Crank
Shifters	MicroShift Advent X	MicroShift Advent X 10 Speed	MicroShift Advent X 10 Speed
Cassette	Microshift 11-48T Advent X 10 Speed	Microshift 11-48T Advent X 10 Speed	Microshift 11-48T Advent X 10 Speed
Chain		KMC 10 Speed	KMC 10 Speed
Brakes	Tektro Mechanical Disc Mechanical Disc	Tektro MD-C550 Mechanical Flat Mount Brake Calipers	Tektro MD-C550 Mechanical Flat Mount Brake Calipers
Brake Levers	Tektro Flatbar Levers	Tektro Flatbar Levers	Tektro Flatbar Levers

Wheels

Rims		Poseidon Alloy Tubeless Compatible 27.5” Wheels, 12x100 Thru axle front & 12x142 Thru axle rear	Poseidon Alloy Tubeless Compatible 27.5” Wheels, 12x100 Thru axle front & 12x142 Thru axle rear
Tires	Kenda Small Block 700x35. Bike can handle up to a 700x40 tire with clearance for mud. 650b compatible with up to a 1.9" wide tire.	Kenda Kadre 27.5 x 2.35 Clincher tires	Kenda Kadre 27.5 x 2.35 Clincher tires
Disc Rotors	Tektro 160mm	Tektro 160mm F&R	Tektro 160mm F&R

Accessories

Racks	You will find multiple locations on the frame to mount an assortment of fenders, front, and rear racks.

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