The dissident

A21

The Dissident - your magic carpet ride for when the pavement ends. Ultimate dependability in 3Al/2.5V titanium tubing and tyre clearance for up to 650b x 55mm, this is the go anywhere and do anything bike. Combined with a one-piece 3D-cast T47 BB shell, all cables and housing are neatly routed internally so you will never have to worry about dirt or water getting into your cables again (we know, we've been there). This is the bike for you if you constantly find yourself strapping stuff onto your bike and escaping the tyranny of the city.

Design Details Geometry Colour Options

Design Details

Utilitarian Fork - carry more

We've now updated our carbon fork to have 3-pack mounts on fork legs for extra water bottles or cargo cages. Front of fork crown is also drilled for light mount.

1x or 2x

The choice is yours - the A21 can handle them all.

Fully Internal Cable Routing - better shifting

Shifting degradation due to dirt and water ingress in your shift cable housing is one of the most frustrating things on a gravel bike. That's why we've painstakingly designed a 3D-cast titanium bottom bracket shell with integrated cable guides to make sure there is minimal exposure to the elements

Mudguards and Rear rack mounts

With a full array of mounting points for full fender and rear rack, when you're not doing a solo adventure in the middle of nowhere, the A21 slots in perfectly as the daily driver. Commute in comfort and style

Dropper post

Provision for internally routed dropper post: droppers are fun, you'll be glad to have one when you are under-biked down some serious single track, or stopped at a traffic light on your commute home with a foot down, dreaming about your next big adventure

More is not always better

Years of experience touring and bikepacking has made us sensitive to the number and location of all mounting points on the bike. Hours have been spent dialing in the precise location of mounting points to ensure maximum real estate for bags and other accessories. Case in point: did we forget to put in a bento-box style mount on the top tube you might ask? That was left out deliberately. It's neither elegant in function nor appearance, and they always interfere with frame bag straps. No mounts here increases your flexibility.

Geometry

Fun, sure-footed geometry: The soul of any bike is the geometry. Through years of experience of riding the backroads of Asia, we have tuned the geometry to represent what an all round adventure bike should feel like. 430mm of chainstay length makes sure that the rear end fits big volume tires and still remains snappy. The relatively steep seat angle ensures your weight is optimally centered between the two wheels and the lowered BB height makes you feel like you're sitting IN the bike rather than ON it. Along with a slackened out head angle, the A21 will smooth out the roughest roads you can throw at it.

		S	M	L	XL
Reach		364	377	390	403
Stack		548	575	597	619
A	Seat Tube Length	485	510	535	560
B	Top Tube Length	523	549	569	594
C	Head Tube Length	110	139	164	188
D	Seat Tube Angle	74	73.5	73.5	73
E	Head Tube Angle	70	70	70	70
F	BB Drop	75	75	73	73
G	Chainstay length	430	430	430	430
H	Wheelbase	1008	1030	1052	1073
I	Fork Offset	45	45	45	45
J	Front Centre	589	612	633	654

Colour Options

Sealed internal cabling throughout the frame

Clearance for 700c x 45 / 650b x 53

Mounts for mudguards / racks / lights

Use rear rack and mudguards mounts for the ultimate commuter bike.

Dropper Post ready!

frameset

RMB 18,900 / A$4380

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Thanks for your interest in a Serk Bike. Please fill in the information below and we will get back to you soon to confirm your build / custom paint (if required) and individual spec. If you are ready to pay a deposit to secure your parts please pay US$1000 below. Your payment is secured with Stripe payments gateway.
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Titanium 3Al/2.5V
Flat mount disc brakes
Rear 12x142mm
Clearance for 700C x 45 / 650B x 55 tyres*
Di2 Compatible
T47 Cast 1 Piece Bottom Bracket
Full internal cable routing
3 bottle cage mounts
Dropper post compatible (1x only)

Fork : Serk Carbon Adventure
12x100mm Thru-axle, Adjustable Rake,
3-pack Mount, Internal Dynamo Wiring,
Carbon steerer

Includes Serk Semi-integrated headset, seatpost clamp, thru-axles, expander, Serk topcap

*measured size

RIVAL AXS

RMB 33,500 / A$7830

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Thanks for your interest in a Serk Bike. Please fill in the information below and we will get back to you soon to confirm your build / custom paint (if required) and individual spec. If you are ready to pay a deposit to secure your parts please pay US$1000 below. Your payment is secured with Stripe payments gateway.
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Fork : Serk Carbon Adventure
12x100mm Thru-axle, Adjustable Rake,
3-pack Mount, Internal Dynamo Wiring,
Carbon steerer

Includes Serk Semi-integrated headset, seatpost clamp, thru-axles, expander, Serk topcap

*measured size

Wheelset : DT Swiss R470
700C
Centre lock disc
Tyres :
WTB Resolute 42c

Drivetrain - Rival AXS 1x

Crankset : FC-RIV-W-D1 40t
Brakeset : ED-RIV-D1
Shift Levers : ED-RIV-D1
Cassette : CS-XG-1250-D1 10-44
Disc : RT-CLX-A1 160mm

Handlebars : Zipp Service Course
Stem : Zipp Service Course
Seatpost : Serk Carbon 27.2mm
Seat : Prologo Scratch M5

EKAR

RMB 38,500 / A$8920

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Thanks for your interest in a Serk Bike. Please fill in the information below and we will get back to you soon to confirm your build / custom paint (if required) and individual spec. If you are ready to pay a deposit to secure your parts please pay US$1000 below. Your payment is secured with Stripe payments gateway.
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Fork : Serk Carbon Adventure
12x100mm Thru-axle, Adjustable Rake,
3-pack Mount, Internal Dynamo Wiring,
Carbon steerer

Includes Serk Semi-integrated headset, seatpost clamp, thru-axles, expander, Serk topcap

*measured size

Wheelset : Serk Carbon
650B 24mm deep 24mm internal
Tubeless Tyres Only
Serk Hubs
Sapim CX ray spokes
Tyres : 650B WTB Venture 47 / Byway 47

Drivetrain - Campagnolo EKAR

Crankset : EKAR 40T 1 X
Brakeset : EKAR hydraulic
Shift Levers : EKAR
Cassette : EKAR 13sp 9-42
Disc : EKAR 160mm

Handlebars : Serk Gravel Carbon
Stem : Zipp Service Course SL
Seatpost : Serk Carbon 27.2mm
Seat : Prologo Scratch M5

FORCE AXS

RMB 45,900 / A$10490

IN STOCK STARTING FROM

Ordering

Thanks for your interest in a Serk Bike. Please fill in the information below and we will get back to you soon to confirm your build / custom paint (if required) and individual spec. If you are ready to pay a deposit to secure your parts please pay US$1000 below. Your payment is secured with Stripe payments gateway.
Personal Details
Name*
First Last
Email*
Mobile Phone Number
Address
Street Address Address Line 2 City State / Province / Region ZIP / Postal Code Country
Payment Details
Deposit Amount
This online payment gateway operates in US$. The deposit amount is US$1000. There is a 3.5% processing fee from our payment partner stripe.
Price:
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Supported Credit Cards: American Express, Discover, MasterCard, Visa
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