We’ve just heard from Pipedream that its short travel fork-ready, steel hardtail has been completely revamped and has appeared in stock ready for riders to treat themselves to an early Christmas present. The Pipedream Sirius is designed for a 120mm fork (though you can run anything from 100-130mm with a related change in angles) though with a 65° head angle, it’s far from a traditional XC bike. Pipedream says of the Sirius “this is a short travel bike ready to encourage you to hit some serious terrain or serious miles.”
Pipedream goes on: “Local loops, trail centres, epic XC adventures, the Sirius is a blank canvas ready to be built up as you see fit. With the world in varying states of lockdown, never has there been a better bike to sprint from the front door and hit the trails. However, with Pipedream geometry, the Sirius will happily be your short travel, rowdy, hardtail companion, to take you through winter with a smile on your face.”
Legacy of the Pipedream Sirius
The Pipedream Sirius actually appeared about 15 years ago, at at time when it seemed that the steel hardtail was going away in popularity, but that particularly British love of the ‘hardcore hardtail’ meant that it proved popular as a winter or as a do-it-all bike. The new Sirius is still made of full Cro-Mo, drawn and butted in the same Taiwanese factory that builds the frames.
The new Sirius will take a 29er wheel with up to a 2.6in tyre or a 27.5in wheel with a 2.8in tyre on, so plenty of mud or rubber room there. As you might expect, the geometry is ‘modern progressive’ with a steep seat angle, a slack head angle and a long-ish reach. There are three sizes available, all with pretty short seat tube lengths to allow you to pick a bike based on your desired reach.
Longish, Long and Longer
The bikes come in three sizes. ‘Longish’ will give you a 445mm reach and a 395mm seat tube length, while Long is 465mm long with a 420mm seat tube. ‘Longer’ is probably not as long as you were expecting, with a reach of ‘only’ 485mm and that same seat tube of 420mm.
A rigid fork too?
There is talk from Pipedream of a special rigid fork coming, especially designed for the Sirius to turn it into the ultimate bikepacking, adventure bike. There’s talk of flat mount dropouts too (though it’s not clear if that’s for the fork, frame or both).
The Pipedream Sirius will come in three colours: Silver Fox, Starry Night and Vintage Green. Frames will cost £649 and are apparently just coming in to stock now.
Check out https://www.pipedreamcycles.com/shop/sirius/ for details.
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Really rather lovely looking.
Looks sweet in the flesh. The perfect quiver killer?
Weight limit of 100kg all in, so rider kitted up and any gear is really disappointing!
That green with the tan sidewalls looks the business, but the seat stays starting just above the top tube makes me want to scream a bit.
Beautiful. As an A.L.I.C.E owner already, this is calling my name! Thankfully already have an LLS hardtail, but that really is a lovely looking bike.
Ordered a silver one with a set of rigid forks today, totally coincidental to this article!
Comically low stack. Not suitable for anyone tall.
Numbers look good and that colour is pretty dam good too.
Great for the midgets not so great for the giants
Probably a stupid question, but would running a 130-140mm fork rather than the recommended 120 help with the low stack for taller folk? I know naff all about mtb geometry!
For comparison the stack on a Large Stif Squatch is 653mm vs 586mm on the Sirius.
bj – might hep with the stack but isn’t going to make the seat tube any longer. presumably they’ve done the sums though.
dare one ask weight?
oh – should say – lovely looking frame and a cracking colour.
Anyone able to say why the frame is designed with same length headtube and seatstays across all sizes? It seems odd unless purely a money saving issue?