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Assessment: Seido MGV fork by Bombtrack, packed for journey!


Crossing over Bombtrack bikes’ body & fork choices into their new separate Seido aftermarket element line, the brand new MGV fork provides all of the adventure-capability you may want for in a carbon gravel and bikepacking fork. It’s a nonetheless fairly uncommon carbon combine of huge tire clearance, all of the bikepacking mounts you may ask for, and inner routing from dynamos to disc brakes. So I strapped one onto my very own gravel bike to improve my journey capabilities…

Seido MGV carbon fork by Bombtrack

This MGV fork grew out of the success of the Bombtrack EXT forks that they developed to spec on their greater tire Hook gravel journey bikes. After they began promoting extra Hook EXT framesets, and the fork itself, they shortly realized there was an underserved marketplace for riders trying to pack extra journey into their present gravel bikes.

So Bombtrack got down to additional refine their journey gravel fork, and finally created a wholly new element firm out of the challenge – Seido.

Seido elements, born out of journey

Seido MGV fork by Bombtrack Bikes, full-featured full-carbon adventure gravel bikepacking fork review, lots of mounts

The elements have been all developed to fill some gaps in Bombtrack’s bike construct spec wants for gravel, bikepacking, and all-around off-road journey bikes. So to make those self same inexpensive no-nonsense elements simply obtainable to extra individuals, Bombtrack spun off Seido to incorporate inexpensive wheels, cranks, cockpits & equipment for anybody searching for a flexible bike construct.

The flagship was this new carbon MGV fork with all of the mounts and dynamo routing you want.

What makes it particular? Tech particulars

Seido MGV fork by Bombtrack Bikes, full-featured full-carbon adventure gravel bikepacking fork review

First, the brand new full-carbon, 1.5″ tapered steerer Seido MGV fork will get massive 29 x 2.25” (700x57mm) or big 27.5 x 2.5″ (650×63.5mm) tire clearance (regardless that I’m utilizing it right here with fairly tiny by fashionable requirements 650x47mm tires) with a 410mm axle-to-crown size, making it only a shade longer than most traditional gravel forks lately. It’s shut sufficient that it shouldn’t have an excessive amount of of an influence in your geometry, though it’d slacken your gravel bike out by 1/2 a level, at most.

It additionally will get tons of mounts. There are 3-pack mounts on every leg with a excessive 4.5kg load restrict per leg due to molded-in bosses, not simply pressed-in riv nuts. Plus, there are additionally low-rider rack mounts down nearer to the axle, that may mix to haul as much as 20kg complete for a 1-piece lowrider rack that connects over your entrance wheel.

There’s additionally full-coverage fender mounts and a replaceable thru-axle thread insert.

Seido MGV fork by Bombtrack Bikes, full-featured full-carbon adventure gravel bikepacking fork review, 585g actual weight

The MGV provides adaptable inner routing for nearly every part. There aren’t any guided tubes inside, however meaning you’ll be able to go as built-in as you need. There are openings to route dynamo wiring fully inside (all the way in which up via and out the highest of the steerer), a headlight wire port within the crown, inner disc brake routing, a port from contained in the steerer to contained in the body for fully inner shift wiring or to route a dynamo-powered taillight fully inside, too.

All that and a claimed weight of 530g.

My uncut MGV fork for assessment weighed in at 585g, however that included the 30g thru-axle, 10 metal braze-on bolts, and the plastic information to your brake line. So yeah, at or a tiny bit lighter than claimed for the fork itself that’s now in my bike.

First Impressions

Seido MGV fork by Bombtrack Bikes, full-featured full-carbon adventure gravel bikepacking fork review, gravel riding

I put the fork on a metal 2018 Bombtrack Audax body I trip for gravel, touring, and commuting as a result of it’s already one of the vital versatile in my dwelling bike steady. It was one of many early Street Plus mixed-surface bikes with the 395mm lengthy, 50mm offset EXT 2 fork, and conservative clearance for 700x40mm or 650x47mm tires.

Geometry-wise, the longer fork slackened out my headtube 0.8° (to 71.2°) and raised my BB 6mm – simply what I wished to get a bit extra floor clearance and extra off-road-ability. It additionally shortened Attain by 8mm & raised Stack by 6mm, which have been straightforward to compensate for with a 1cm longer stem and one spacer eliminated underneath it. The MGV’s further offset (53mm) restricted influence to simply 2mm further Path.

In the event you swapped from a 400mm fork, the pinnacle angle change can be simply 0.5°, and Path simply 1mm much less.

Assessment: Driving loaded or unloaded – On or off-road

Seido MGV fork by Bombtrack Bikes, full-featured full-carbon adventure gravel bikepacking fork review, clearance

Driving the bike loaded or unloaded with the brand new fork, it’s completed precisely what I hoped for. The match & really feel of the bike is nearly precisely the identical as earlier than. However it’s properly a bit extra steady off-road with out actually dropping the quick all-road really feel on laborious surfaces.

What’s clearly a giant distinction within the longer fork is the a lot elevated entrance tire clearance. I’ve been comfortable sticking with the identical 650x47mm tire setup that I’ve come to understand for using longer distances on any floor.

However now that I’ve seen that the geometry modifications have been small however favorable, it’s additionally obtained me eager about a wheel setup with a barely greater entrance tire. Perhaps a 700×45 up entrance paired to a 700×40 within the again, or a 650×54 & 47 setup to get even rowdier off-road?

Seido MGV fork by Bombtrack Bikes, full-featured full-carbon adventure gravel bikepacking fork review, rack-ready

Within the meantime with the 47mm WTBs, I’ve ridden the brand new MGV fork in three totally different modes – with a Pelago porteur-style Commuter Medium entrance rack, with a lighter Ortlieb Fork Packs bikepacking setup, or simply empty with loads of small plastic bolts to fill all of the mounting holes.

The Pelago rack made it probably the most succesful commuter, carrying tons of stuff and clearly exceeding the allowable load score with none issues. Formally, the max load of every particular person cage mount is 1.5kg.. instances 2? or possibly 3 for my entrance rack setup? so 4.5kg? However Bombtrack says it’s a max 20kg if you happen to use the lowrider mounts and one of many cage mounts on either side collectively, so I felt fairly comfy with as much as round 12kg right here.

Loading the excessive rack that heavy over the entrance wheel does wacky issues to dealing with anyway, so I seldom put greater than 5-6kg up there anyway.

Seido MGV fork by Bombtrack Bikes, full-featured full-carbon adventure gravel bikepacking fork review, in detail

One of many key options of the MGV fork is its inner routing, particularly for a dynamo lighting setup like I’ve right here – with a Hunt Journey wheelset with a SON hub and an Publicity headlight. However unguided inner routing requires persistence and dedication.

I could be affected person, and managed to get each wire and hose the place I wished it with a magnetic Park Instrument Cable Information set. But it surely wasn’t tremendous fast or straightforward. However that’s par for the inner routing course…

Seido MGV fork by Bombtrack Bikes, full-featured full-carbon adventure gravel bikepacking fork review, crown detail

What’s extra tough is that I’m indecisive. And I like to vary my setup pretty often as I check out new devices. All that inner routing isn’t straightforward to handle, and for me it’s merely laborious to make up my thoughts. Swapping from the entrance rack to this setup with the tiny new Restrap Bumper Bar was straightforward sufficient (with a Sinewave Revolution USB-charger field mounted inside it)…

However now, I’m already pondering that I’d prefer to put all these dynamo wires contained in the headtube and possibly set up a USB plug charger headset cap? And possibly join a dynamo-powered taillight inside a LightSkin seatpost?

See? Plenty of concepts and loads of re-routing to go along with it.

Seido MGV fork by Bombtrack Bikes, full-featured full-carbon adventure gravel bikepacking fork review,dropout detail

One other function/trick with the MGV fork is that it has flat mount disc brakes suitable with 160 or 180mm rotors (and a 12mm thru-axle). However it’s a Flat Mount 160 mount. That implies that it routinely sizes your flat mount caliper as much as the subsequent dimension. When you’ve got a typical mount that may do 140 or 160, now it would do 160 or 180. It you could have a Campy brake that’s 160mm with none adapter plate, now you could have 180mm brakes.

And has anybody seen any Campagnolo 180mm rotors? As a result of I don’t have any, so I opted for this beautiful large Jagwire CR1 vented rotor that will or could not have wanted some minor fin modifications to suit quietly contained in the Campy caliper. Simply one thing to not overlook, like I did at first.

Last Ideas

Seido MGV fork by Bombtrack Bikes, full-featured full-carbon adventure gravel bikepacking fork review, loaded by Ortlieb

All in all, the swap to the Seido by Bombtrack MGV fork has been an excellent constructive replace to a motorbike I have already got beloved for a number of years. Whereas earlier than it was considerably restricted in its carrying capability – in each commuter and bikepacking modes – now it has improved hauling capabilities throughout.

My solely actual gripe is that I’ve been wishy-washy indecisive about what precise inner dynamo wire routing setup I want, so I’ve been a bit slower to finalize every part. However I believe it’s time to suck it up and go much more built-in inside.

Lastly, wanting on the greater tire clearance & barely slackened geometry… now the MGV fork has me attempting to find extra off-road locations to trip a motorbike that I used to restrict to filth roads on the most excessive. Now I see no subject with venturing extra over chunky gravel and singletrack, even after I’m loaded down for some bikepacking journey.

Seido MGV fork – Pricing & Availability

Seido MGV fork by Bombtrack Bikes, full-featured full-carbon adventure gravel bikepacking fork review, gravel road

The primary manufacturing batch of the brand new Seido MGV fork has rolled out globally this previous week to Bombtrack & Seido sellers, that means they’re form of obtainable now. However we do hear that portions are nonetheless a bit restricted for this $467 / 350€ MGV fork – and plenty of have been reserved prematurely. So, in case you are trying to improve a motorbike for extra journey, it’s in all probability finest to get in contact together with your native vendor now to see if they’ll spherical one up for you quickly.

Seido-components.com & Bombtrack.com

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