magnetic tank bags

[bigdom86]

anyone use magnetic tank bags and can recommend a decent one? i've always used 20L tail bags but thinking of getting a tank bag once i get the new bike (triple or Z), how well do the magnetic ones work? 99% of my riding is london commuting, bit of 40mph roads, i doubt I would ever go on the motorway but it could happen, what kind of speeds are these OK up to? wouldn't be carrying anything too heavy in it - most likely clothes and towel

[Freddyfruitba...]

I'd say it's dependent on the bike as much as the bag - aerodynamics, position of the magnets relative to the shape of the tank, what it's made from, etc
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KC100->CB100N->CB250RS--------->DL650AL2->R1200RS->R1250RS

[chickenstrip]

I've used an Ox***d one quite a lot, but I hesitate to recommend them because the zips are prone to failure, usually tearing at or near a corner where they're stitched to the bag. Otherwise they're pretty good, although not waterproof in their own right.

I've had them fairly loaded up, relying on just the magnets to hold them on, for mixed riding, no limits. Never had it even shift a bit, despite putting some of that sticky blanket stuff underneath the body (where there are no magnets). This on a Fazer 1000, flat-ish tank surface, bit of a fairing to keep the wind off a bit.

Need some care when placing on the tank, or the magnets will thump on hard.

If you're talking about a Street Triple, I found the paint to be quite soft on mine, scratched easily, and I'm sure I've heard this commented on by others. I didn't use my tank bag on my one (although it wasn't out of this consideration - just that I rarely needed to carry anything on it, and when I did, I generally preferred a tail pack anyway), but wonder if it might damage the paint. The Fazer doesn't seem to have any problems in this way.
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[stinkwheel]

A Lidl B-square one is fine up to 150mph on a faired bike. Magnets only, I've never used the yoke strap.
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
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[MCN]

A lot of modern bikes have prastic 'tanks' or the fuel tank is just a plastic cover.
Scientists are yet to find a way to get magnets to stick to plastic. (without impregnatating it with iron.)

Look at the givi filler cap clamping system. I have this on the S1000RR. Bag locks onto the filler cap mount and there's a strap-it-on-to-me that goeas around the bars for security.
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Disclaimer: The comments above may be predicted text and not necessarily the opinion of MCN.

[Hong Kong Phooey]

Magnets are good on oxford. Do make sure the magnets are clear of metal shavings before putting it on
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'81 CG125, '97 FZS600 : '99 CBR600F4, '09 KTM RC8

[ThunderGuts]

Side issue: with these do you have to be careful what you put in the tank bag? I can imagine electronics, e.g. mobile 'phones, being non too happy about being in close proximity to such powerful magnets? It's a different order of magnitude to the little ones on 'phone cases!
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TG.

[Skudd]

Little tip with magnetic tank bags is to use a non slip type may/fabric between the tank and the tank bag due to little bits getting stuck to the magnets and then scratching your tank.
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[Hong Kong Phooey]

[bigdom86]

thanks all, those Givi tank lock ones look pretty good so will probably invest once I change my bike over to the STR or Z800, for now just want something cheapy cheap for the old 02 cbr f4i so was thinking a magnetic one, I do have US10 and US20 tailbags and saw there is an adaptor but couldn't see anywhere obvious to fix this on the cbr and I don't think they do a magnetic adaptor for the US10 or US20

was thinking a 10-15L oxford magnetic one or a similar cheapy cheap one.

reason I don't really like tailbags is because I wear a backpack too and the way it rests on the tailbag is uncomfortable and forces you to move forward on the seat which is even worse, would get a topbox but they look

[MCN]

[Tdibs]

Ive had a second hand oxford 38L one for quite a while, make sure it has the separate rain cover with it. Decent enough for the price, nice room and does not budge at high speed.
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Previous : 09 Vanvan 125| 02' Sv650s || Current: 1999 Xj600n | 1992 DR650 RSE | 2005 Fazer 1000

[bigdom86]

[Tdibs]

[bigdom86]

is the 38L just the bottom half of the stack which you have zipper together or the whole stack as it is now? that is ALOT of space, I only need space for shorts, tshirt, towel, socks and pants so thinking a 10-15L will do the job, I can fit it all in my US10, stupid idea but couldn't I just buy a magnet and stick it in the bottom of the US10

[Tdibs]

Its the whole stack. Just a zip to let it expand upwards or to keep it compact. Any of those expanding tankbags are going to be pretty similar to each other though. Think its starts getting a lot more ££ for the tank ring ones.
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Previous : 09 Vanvan 125| 02' Sv650s || Current: 1999 Xj600n | 1992 DR650 RSE | 2005 Fazer 1000

[Tierbirdy]

Ive used a magnetic one for years from Oxford, worked well enough. In some really fekkin awful sideways gales it kept being blown off when I didnt have enough in it to hold it down.

Since getting a bike with a plastic tank, Ive switched to Givi tanklock and find it much better. I've always thought the oxford one, whilst functional, looked a bit Fisher Price Babies First Motorbike range. The Givi looks much nicer and feels a lot sturdier.Not much difference in the price either, I think I paid about £50 for the Oxford one and £70 for the Givi.

[Analogkid]

[Hong Kong Phooey]

[Wyberton John]

I'll not use magnetic tank bags or map holders again.

Spent a small fortune on one a few years back, the wind got under it and floated it right off the bike.

I was going at a bit of a rate, so it took a few dozen yards to stop - I reckon the car behind (or going in the other direction) must have stopped and picked it up, cos I couldn't find the damn thing anywhere.

Since then it's always been a bungee job.
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Fazer Thou Gen 1

[bigdom86]

There’s a video of how to fit Kriega here, if adhesive Velcro won't stick onto frame, stick it to underside of seat, if you can't get the top straps round the frame between the tank, then run them round the headstock. If you already have a US10 it makes sense, and is your tank not plastic? The other consideration is a magnetic tank bag can be easily removed from the bike, whilst you are sitting at traffic lights etc, depending on the city you live in.

https://youtu.be/HRKbJe2Tvrc[/quote]

I'm wondering if instead of the top straps if I could velcro at both ends? I looked on the CBR and I really can't find anywhere secure that the loop straps could go around, it is a 02 CBR f4i so has a steel tank I believe. I would prefer to go with the US10 or US20 as they are good quality and I already have them, you reckon to only use velcro at both ends to keep secure would work or a bit risky?

[Analogkid]

[Fizzer Thou]

I have been using the same expandable tank bag since '96 and it works perfectly.
I recollect that I bought it from M&P and the magnets hold the tank bag to any of my steel tanks like a limpet mine.
It is capable of three different sizes and the zips still work like they did when I first bought it.The only failing has been the original plastic rain cover,but this is easily replaced by using a decent sized plastic bag.
For years I have been using a sheet of soft material to stop scratches.

https://oi666.photobucket.com/albums/vv23/WiNot_Rhencullen/Biking%20Abroad/Picture016_zpsef556bfb.jpg~original
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[bigdom86]