The Vulture is a high quality multipurpose, multi-terrain frameset. It’s one part gravel bike, one part rough road tourer, one part cyclocross. The frame is based on road geometry so falls under the loose definition of an ‘all-road’ bike. It’s also designed to be affordable. By affordable we mean it’s compatible with a wide variety of components, both old and new so the overall cost of building a complete bike is greatly reduced. Rather than the usual cost cutting measures of using cheaper tubing and construction, the frame is built using double-butted Reynolds 725 which is heat treated chromoly steel tubing. We use this tubing for the three main tubes to save weight over standard butted 4130 cro-mo pipes. Build quality was a priority so both the frame and fork are welded to a standard usually seen on frames pushing near twice the cost of the Vulture.

The frame required a high quality steel fork that had rack and mudguard mounts so the Vulture could be used for touring, commuting or just hauling stuff around. Another prerequisite was compatibility with the new school of carbon gravel and fat tyre CX forks. To enable this the Vulture was equipped with a tapered head tube. The ability to build it up with higher-end components such as a lightweight carbon fork means it can be used for gravel racing and competitive group rides, making the Vulture a truly multipurpose machine.

Which carbon forks fit the Vulture?

Most if not all tapered carbon CX and gravel bike forks fit. Recommended axle to crown length is around 395mm. You can fit forks around 400mm long but they’ll slacken the head angle by around 1 degree- not necessarily a bad thing, especially if you’re mostly riding off-road in steep terrain.

How much does the Vulture weigh?

Small/49cm- 2047g
Medium/52cm- 2116g
Medium-Large/54cm- 2146g
Large/56cm- 2209g
404 Fork- 1.15 kgs with an uncut 300mm steerer.


Frame weight includes cable guides and derailleur hanger. Weights are +/- 5 grams accuracy. Typical fork weight when cut to length is around the 950g mark depending on frame size/head tube length.

What brakes should I use?

The following is a list of drop bar, post mount hydraulic disc brake systems and short pull mechanical callipers that work with the Vulture:-

Sram Force
Sram Red (post mount version)
Sram Apex (post mount version)
Sram S700 (post mount version)
TRP Hylex RS (post mount version)
Shimano ST-RS685 lever / BR-RS785 calliper
TRP Hy-Rd [cable actuated hydraulic brake] (post mount version)


Mechanical Callipers
TRP Spyre (Post mount version)
TRP Spyre C/S/SLC (Post mount versions)
Paul Klamper- Short Pull
Shimano CX77
Avid BB7 Road (all versions including S and SL)
Avid BB5 Road

Why I.S mount?

A couple of reasons. Firstly, to keep the Vulture lightweight. Post type mounts on steel forks are large cast or machined bits of steel with the lower mount protruding 5cm or so from the fork leg. Using an aluminium adaptor to bridge the distance between the fork blade and the calliper instead of a steel post saves weight. Secondly, if you’re intending to use the Vulture primarily off-road riding, loaded touring or are using cable disc brakes (or maybe all of these things) you’ll want to use 180mm/160mm front/rear rotors for increased braking performance. This will mean you’ll be fitting the callipers to the frame with adaptors anyway, no matter what style of brake mount the frame and fork has.

The recent Flat Mount standard doesn’t have any performance advantages and was mainly an aesthetic consideration to get roadies to upgrade to discs. There’s quite a few pitfalls for flat mounts on steel frames including extra weight. Flat Mount also means all the braking force is applied directly to the chainstay rather than spread across both the seat stay and chainstay like I.S/Post Mount. This means bigger chainstays or a heavy unified dropout/brake mount is required. Also note that Flat Mount max rotor size is 160mm.

A lot brakes come with the correct size Post Mount to I.S adaptors for their supplied rotors but if you’re buying the adaptors separately or changing rotor size then these is what you need:-

180mm rotor front-
Shimano SM-MA-F180P/S
Hope Mount F-Post Caliper to IS (F-180/R-160)

160mm rotor front
Shimano SM-MA-F160P/S
Hope Mount A-Post Caliper to IS (F-160/R-140)

160mm rotor rear-
Shimano SM-MA-R160P/S
Hope Mount F-Post Caliper to IS (F-180/R-160)

140mm rotor rear-
Shimano SM-MA90-R140P/S
Hope Mount A-Post Caliper to IS (F-160/R-140)

Other brands of adaptor are ok too- the above are listed as we’ve used them and can testify they are well made and have the correct clearance for a wide variety of callipers.

Which headsets fit the Vulture?

The best way to find the correct headset is to search using the S.H.I.S code (Standard Headset Identification System). ‘ZS’ stands for Zero Stack, ’EC’ stands for External Cup.

If you’re fitting the 404 fork you need the following:-

S.H.I.S: EC34/28.6 top cup
S.H.I.S: ZS44/30 lower cup

If you’re fitting a 1 1/8th-1.5 inch tapered steerer fork you need the following:-

S.H.I.S: EC34/28.6 top cup
S.H.I.S: EC44/40 lower cup

Will you sell a carbon fork for the Vulture?

No plans currently. We really like the utility of chromoly steel forks and the 404 fork is a really great chromoly fork.

Why 9mm QR dropouts?

We sell the Vulture as a frameset so maximum compatibility with both old and new components is a major consideration. Customers are building up frames using a mix of legacy parts and new stuff, often using one of the many wheelsets out there that are compatible with both 9mm QR and 12mm thru axle. The 12mm through axle format was originally designed for full suspension mountain bikes where the two sides of the rear swing arm have a tendency to move independently under hard pedalling and cornering. 12mm thru axles offer little benefit to frames like the Vulture with an already laterally stiff rear triangle. This logic also applies to the fork- the 404, tracks accurately and the dropout’s tolerances are tight so there is zero wheel movement under hard braking. If you intend to fit a carbon fork and your planning to by new wheels to go with your frame, we recommend getting an MTB or gravel/cx disc wheelset that’s compatible with both 12mm thru and 9mm QR as this will give you a wider range of forks to choose from.

Why is the Vulture’s seat clamp the wrong way round?

On frames with conventional rear facing seat tube slots, dirt and water flying up from the back wheel has a tendency to get inside the seat tube. This can damage the surface of the seat post or even worse, cause the seatpost to seize inside the frame. Having the seat collar facing forward and away from the line of the rear wheel helps alleviate this issue.



Read about the Vulture Frame & Fork



Read what the cycling press have said about the Vulture



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