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by LinusR
29 Jan 2020, 9:42am
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

Tangled Metal wrote:
Get the Hunka xl!


Either that or the Rab if it's on special offer.

Tangled Metal wrote:
Tarp and bivvy might work out heavier than lightweight tents but plenty of advantages. Ever kipped on top of a hill in 70mph storm in a lightweight tent? I've seen three venerable hilleberg atko get flattened against a user's face but my trekking pole supported tarp never budged at all. I slept through the night. It is amazing what a good, wind shedding tarp pitch can cope with.



I won't be going out in that sort of weather. Just want a bit of warm kip without having to lug too much around. I can't sleep on a foam mat. Thanks for the insight.

Zulu Eleven wrote:Still have (but haven’t used in a long while) a double hooped gore-tex bivvy bag (which had a heavier rubberised base and really lightweight event-style gore-tex on top. Couldn’t recommend it enough. The hooped version is a lot better than just a bivvy bag IMO.

They were very rare, Gucci items, but I suspect that the carinthia made Dutch army hooped bivvy is as good (and a lot easier to get in and out of)

My one(but not me): https://www.youtube.com/watch?v=sCThyi9nTac

Dutch hooped version: https://forcesuniformandkit.co.uk/produ ... -bivvy-bag


That's the sort of bivvy I was originally considering. But my Saunders 4 season tent is pretty much the same weight and only slightly bigger. I'll be experimenting with a few set ups in the spring. Probably going to get something like the Hunka or similar, if anything.
by LinusR
28 Jan 2020, 11:44am
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

NATURAL ANKLING wrote:Hi,
My summer kit my coast ride last year consisted of Off the top of my head-
Cheap synthetic bag two season 600 g
Cheap breathable bivy bag 350 g
Really cheap 5 mm thick foam mat 100 g
Pillow Which is just a pillowcase made from fleece half normal size that you use at home, stuff with your clothes overnight.
One early morning I was a little bit chilled, but it was tolerable.
Six night in bus shelters, two on the bench the rest on a concrete floor.
You knew floor was flat and hard but not that uncomfortable, surprising how comfortable with just a 5 mm foam mat.
Also although open at the front Overhead I was protected from any rain.
The night I was cold was probably on the floor of the glass shelter.
If you are going to camp on grass, once you have located your site I would normally lay the tent on the ground, And lay on the ⛺️ to see it was not uncomfortable and downhill.
This is the trick if the ground is soft grass et cetera then the mat does not need to be that good.
In my youth I found you had to sleep three nights before you actually got a good nights sleep.

Bivy verse tent, it's very simple if it rains and it's windy you will need more gear to match a tent.
If it doesn't rain you can probably get the weight down to about 60% of the tent pack complete all in with a bivy.
I took a waterproof balaclava in case it rained and I was in the open, I didn't need it so I'm not sure how effective it would've been?
Using tent as a pole is a total waste of time, not light and cumbersome to, definitely no weight saving there just a novelty.

One night you're not gonna get much sleep anyway are you, unless you're a really heavy sleeper, As I said further up post Surprising how comfortable just a thin foam Matt is, On grass say 6-9 inches moorland An air bed is simply just extra weight, and not as reliable either.

On the ground on the grass in the open, you are definitely going to need more bedding than any tent, as said.
So if it does not rain it's just temperature you need to worry about.

my gear up post cost me about £40 new.
If you spent £100 on some more quality I can see you using it again for sure.
Sleeping bags you need several and pick the bag for the season and the conditions.

I keep thinking for ideal light weight set up, you need a large bivy where are you can store some of the gear off your bike to protect it from weather and keep it secure.
then all that's needed is some protection for your head, like a light weight umbrella of sorts.
I am still working on the idea :)
Bivy bag needs no groundsheet
500 m up in a bivy you probably need at least a 1200 g bag in the summer.


Thanks for the above. That's useful to have. I'd like to ditch the sleeping mat but it's one thing I cannot do without. Especially as I have pins in one of my hips and I'm a bit boney in the hip area anyway. I was even thinking of getting a thicker Thermarest like the Neo Air.

I've got a number of sleeping bags and liners to give me a good temperature range and I've camped in the Alps and Pyrenees at over 1,400m so have an idea of what to expect. But years ago I had more energy to lug full camping kit around (and I weighed 10kg less!). I note what you said about needing a 1200g bag inside a bivvy at 500m in the summer. I was hoping a lighter bag would do. Maybe not :oops:
by LinusR
28 Jan 2020, 11:25am
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

NATURAL ANKLING wrote:Hi,
Oh, they didn't tell you did they, The only way to sleep comfortably in a sleeping bag is with no clothes on, which is what I do and always have.
If you wear your clothes they hold sweat and in the morning it will chill you.
You need to try it to believe it first.


I found that out early on - 40 years ago in the Brecon Beacons.
by LinusR
28 Jan 2020, 11:19am
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

mercalia wrote:I think the ground sheet is about protecting the bag as they aint cheap


Having punctured my thermarest and ripped the built in groundsheet of my tent I'm quite capable of destroying the bivvy :(
by LinusR
28 Jan 2020, 11:15am
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

hamster wrote:
But as said, there is no need for a groundsheet under a bivvy bag, the whole point is that the bag is waterproof: the Hunka definitely IS!


OK, having had a good rummage through the contents of my camping kit and the comments here about the Hunka I'm thinking of two scenarios.

1. Late summer at 500m in the Brecon Beacons with no threat of rain: Thermarest mat, Hunka bivvy with, fleece liner, and pertex liner (these liners are part of my existing kit) and a mosquito net for my head. That's a minimum kit which would be around 1kg and fairly compact.

2. As above but with a chance of rain and wet ground: as above but with the addition of my JetPacker tent flysheet, and maybe an extra ground sheet to protect the thermarest. That's about 1.5kg.

I can experiment with the above at my usual camping spot where I can take all the gear and see how it goes over a couple of nights. All the comments on this thread are much appreciated. Thanks.
by LinusR
28 Jan 2020, 10:11am
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

mattheus wrote:You don't need a groundsheet UNDER your bivvy-bag! :)

If it's warm enough, you just unroll it, climb in, go to sleep. You'll often manage without a mat*. It's that simple.

(I'm not saying that conditions will always allow this, oh no … )


*The issue of whether your mat should go inside or outside seems quite complex - I don't think there is a "right" answer (I've tried both). I've even managed without one where I've had a dry flat surface to sleep on, and I wasn't desperate for 7 hours perfect sleep - I'm not great at sleeping away from home bed anyway ...


I was thinking of a sheet to protect the Thermarest sleeping mat. I'd likely put the bivvy bag on top of the sleeping bag - it's a old rectangle-shape long mat so wouldn't fit in the bivvy bag very well. I don't sleep well and I find the mat to be essential for comfort.
by LinusR
28 Jan 2020, 9:38am
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

hamster wrote:Looks good, although you would still need a groundsheet - which is where a bivvy bag is just as effective.
I tend to err on the side of tents as they are much more comfortable and versatile except in settled weather. The bivvy bag is great for sneaky overnight 'smash and grab' trips.


That's the dilemma. When I ditch the inner tent I then need a groundsheet. Bivvy bag, groundsheet and a tarp overhead and I'm taking weight and bulk away only to regain it elsewhere. I've always thought of my tent as a "glorified hooped bivvy bag" as it is so small anyway. I could probably use a lighter sleeping bag inside the bivvy - maybe the fleece sleeping bag liner I have. I don't want to get cold at 500m up in the Brecon Beacons, even in the summer. I remember getting very cold in a tent last time I camped in the Beacons - 40 years ago.

I may experiment with getting a tarp sheet and cutting to size. Turn my MTB on its side, drape tarp sheet over the top tied down with a six pegs, and use a very light sleeping bag inside a Hunka bivvy bag with another piece of tarp cut to the same size as the Thermarest to go underneath.
by LinusR
27 Jan 2020, 11:07pm
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

horizon wrote:The bivvy versus tent debate must be done to death but for wild camping:

Bivvy: light, easy to unroll, put away, you can hear/see people coming, fresh air!
Tent: needs pegging and maybe better ground. Heavier.

But (I have a Jetpacker) here's the thing: a tent provides a dry environment around you. It will also provide some heat by trapping body warmth. On a bke, the weight IMV isn't an issue. I know what would be my choice.


I just took the JetPacker out and removed the inner tent, spares and the two "A" poles; so I'm just left with the outer, alloy pegs, and the single back and front poles. Much lighter. So that will give me an enclosed water and dew proof cover. (My JetPacker comes with two sets of front poles: one set to use in the A pole configuration and a lighter single pole at the entrance.)

Others on this thread have said they use a bivvy with a tarp, which together would seem to weigh the same as the outer tent of the Jetpacker. Make sense?

In the picture is (from top to bottom) the tent outer (not compressed), thermarest, and 1-2 season sleeping bag. Probably less than 2kg total.

IMG_20200127_223343726.jpg
by LinusR
27 Jan 2020, 5:58pm
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

mattheus wrote:Definitely bivvY


The only justification I need is that my favourite ever outdoorsy guide uses that spelling:
https://www.cicerone.co.uk/the-book-of-the-bivvy-second

Buy it.


Thanks for the tip.
by LinusR
27 Jan 2020, 5:51pm
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

mattheus wrote:Yes, but people your size generally recommend the XL version.

(have you searched the forum? there is a thread about bivvy bags that talks about the Hunka - back in 2012(!), but folks are still raving about the Hunka in the ultra-hip bikepacking world. I'm happy with mine, but haven't used anything else ... )


I'll have to check the sizing. I may have to go up a size. I'm 80kg so not a "big" six foot 1! But I'd probably enjoy the extra room. I'll check the other forum posts, thanks.
by LinusR
27 Jan 2020, 5:47pm
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

Oldjohnw wrote:I regularly use this sometimes with the Alpkit tarp:

https://www.alpkit.com/products/hunka

Excellent item. Been on top of Cheviot and Helvellyn with it. Light as a feather. You need a reasonably good sleeping bag if winter use. And a mat, inside or underneath.

Edited: I see it crossed with another post!


I saw the tarp and I wondered whether I should just use my Saunders Jet Packer without the inner tent (weighs about 1.3kg) - just use the outer tent, mat, sleeping bag and no bivvy?
by LinusR
27 Jan 2020, 5:35pm
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Re: Bivvi bags - advice please

hufty wrote:Never used one but can see the attraction. Is that one breathable though, it doesn't mention it in the writing. Alpkit do some as well, may be worth a look?


Yeah, condensation could be problem with a cheap bag. Anyone used this Alpkit one? https://www.alpkit.com/products/hunka I'm six foot one inch so I'd just about squeeze into this one, with the mat on the outside and underneath.
by LinusR
27 Jan 2020, 5:12pm
Forum: Cycle Camping sub-forum
Topic: Bivvi bags - advice please
Replies: 126
Views: 16407

Bivvi bags - advice please

I have a lightweight tent - an old Saunders Jetpacker which weighs a mere 1.75kg (and I can't even sit upright in it). But I'm thinking of some off-road adventures on my mountain bike where I want to limit my luggage to a saddlebag, a handlebar bag, and a small Osprey rucksack which has a bladder for up to 3 litres of water. I won't be cooking and I'm trying to keep the total load - including food - down to less than 6kg, for two days riding and one night out in the open.

I have a 1-2 season sleeping bag and a Thermarest sleeping mat, which weigh about 1.5kg together. I'm thinking about a bivvy weighing less than half a kilo (perhaps this one https://www.mountainwarehouse.com/bivy-bag-p13634.aspx/khaki/) and a mosquito net to cover my face. (Neeless to say I'll have a pee bottle ;-) I would be camping at an altitude of up to 500m in late summer (possibly Brecon Beacons, Wales).

Whilst I have slept rough many times with just a sleeping bag on a mat in the summer at sea level, I've never slept up a mountain in Wales in a bivvy bag. And I've never even used a bivvy bag.

So any tips, suggestions, warnings? And is it bivvi or bivvy?
by LinusR
18 Jan 2020, 7:30pm
Forum: Bikes & Bits – Technical section
Topic: Spokes on Maddux 3.0 Disc
Replies: 52
Views: 6461

Re: Spokes on Maddux 3.0 Disc

Jamesh wrote:It does slightly supprise me that s brand like Cannondale still make use of such naff wheels.

Most over brands have managed to supply externally made or own brand wheels that a half decent except Cannondale!

Cheers James


I can confirm the hubs are pretty naff as well. They don't have proper cups and cones. Getting a cone spanner on the lock nut is ok. But trying to get a cone spanner on the cone is tricky because it doesn't have a proper machined "flat" - it is instead pressed into a near flat shape and getting a spanner to fit without slipping is very difficult. The hub cone actually worked loose on its own so I took the opportunity to back it off and squirt some grease it. But had difficulty locking it back in place again. I'll just ride them until they break. It's mostly for winter use. I have another pair of handbuilt wheels for other rides. Eventually I'll have to build a set of winter wheels.
by LinusR
18 Jan 2020, 7:24pm
Forum: Bikes & Bits – Technical section
Topic: Spokes on Maddux 3.0 Disc
Replies: 52
Views: 6461

Re: Spokes on Maddux 3.0 Disc

Solidairs wrote:Hi Linus. I presume you found some 15g plain gauge spokes for your Maddux wheels. I have searched high and low without success although it seems they are manufactured by several spoke making companies including Sapim and Wheelsmith. Can I ask where you managed to source yours? Many thanks.


I actually got some double-butted spokes. Fitted and they work fine. I got them from this ebay shop https://www.ebay.co.uk/str/handbuiltwheels

Edit: I got silver, not black.