Fat tyres on 17C rims?

veganian
veganian Posts: 10
edited June 2009 in MTB buying advice
I've just bought a pair of 17C Mavic Crossrides and I'm wondering what tyres to put on them. I was going to go for 2.7" Maxxis dual ply High Rollers (60a on rear, 42a on front) but the booklet that came with the wheels indicates that they can only take tyres up to 2.0". Can I get away with putting 2.7" tyres on or will i be risking damage or failure? Thanks.

Comments

  • nicklouse
    nicklouse Posts: 50,675
    why would you even consider a 2.7? would they fit the frame?

    have you got the right wheels?

    I see no need for 2.7 on a 36mm wide rim !
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • veganian
    veganian Posts: 10
    Thanks for your reply. I'm confident I've got the right wheels. A mate suggested going for wide tyres. What width would you recommend?
  • pirwin1
    pirwin1 Posts: 248
    What kind of riding do you do?
    My Ride
  • nicklouse
    nicklouse Posts: 50,675
    what is the bike and fork?
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • toasty
    toasty Posts: 2,598
    17? I thought Crossrides have had a 19mm rim with for a good while? Mine are 3 years old or something now and have 19mm.

    Why would you use a narrow XC rim with a huge downhill tyre? If you're doing trail/XC riding you'll go a lot slower with huge tyres, more weight to heave around and more rolling resistance. If you're doing downhill your wheels are completely inapproriate and won't last long.
    Stumpy FSR 29er
  • veganian
    veganian Posts: 10
    Thanks for all your replies. I do mostly trail/XC with a tiny bit of DH thrown in (but nothing extreme). I'm doing mountain mayhem in a few weeks time so i'm looking for a combination that might be able to handle varying weather conditions, wet roots etc., has reasonable puncture resistance and still handle some downhill.

    My forks are Rock Shox Tora 2009 and my frame's an old saracen hardtail.

    In case you hadn't guessed i'm no expert and am learning as i go along. Have made some mistakes when replacing pretty much every part on the bike other than the frame - please don't tell me to replace that as well :)
  • The Northern Monkey
    The Northern Monkey Posts: 19,174
    you don't need 2.7" tyres..... ever.
    Santa Cruz Butcher
  • The Northern Monkey
    The Northern Monkey Posts: 19,174
    you don't need 2.7" tyres..... ever.
    Santa Cruz Butcher
  • veganian
    veganian Posts: 10
    Toasty wrote:
    17? I thought Crossrides have had a 19mm rim with for a good while? Mine are 3 years old or something now and have 19mm.

    Why would you use a narrow XC rim with a huge downhill tyre? If you're doing trail/XC riding you'll go a lot slower with huge tyres, more weight to heave around and more rolling resistance. If you're doing downhill your wheels are completely inapproriate and won't last long.

    They're 17 now (see http://www.chainreactioncycles.com/Mode ... elID=32450 if you think i'm wrong, which i quite often am!)

    I think I've got the right wheels for the kind of riding i do. It sounds as though i was miles off on the tyres though!
  • Northwind
    Northwind Posts: 14,675
    My 2.35s are considered fairly fat tbh. I think my first motorbike came with a tyre narrower than 2.7 :lol:

    Unless of course it's a Continental 2.7 you're fitting, as it'd still only be about 2 inches wide.
    Uncompromising extremist
  • veganian
    veganian Posts: 10
    Northwind wrote:
    My 2.35s are considered fairly fat tbh. I think my first motorbike came with a tyre narrower than 2.7

    ha ha! i get the message, thanks :)
    Northwind wrote:
    Unless of course it's a Continental 2.7 you're fitting, as it'd still only be about 2 inches wide.

    i was looking at maxxis 2.7s but i'm going back to the drawing board on tyre selection, since everyone has kindly pointed that 2.7" is overkill!
  • Northwind
    Northwind Posts: 14,675
    It'd be quite good if you're going riding on snow, I suppose. Or water :wink:
    Uncompromising extremist
  • nicklouse
    nicklouse Posts: 50,675
    veganian wrote:
    Toasty wrote:
    17? I thought Crossrides have had a 19mm rim with for a good while? Mine are 3 years old or something now and have 19mm.

    Why would you use a narrow XC rim with a huge downhill tyre? If you're doing trail/XC riding you'll go a lot slower with huge tyres, more weight to heave around and more rolling resistance. If you're doing downhill your wheels are completely inapproriate and won't last long.

    They're 17 now (see http://www.chainreactioncycles.com/Mode ... elID=32450 if you think i'm wrong, which i quite often am!)

    I think I've got the right wheels for the kind of riding i do. It sounds as though i was miles off on the tyres though!

    shame that CRC cant get it right.

    from Mavics site
    Color: black anodised
    Disc brake specific profile: no braking surface
    Drilling: traditional
    Eyelet: H2 technology
    Internal width: 19 mm c
    Joint: pinned
    Material: 6106 Aluminum
    Valve hole diameter: 8.5 mm

    http://www.mavic.com/mtb/products/cross ... 178.1.aspx

    and

    from their site
    Disc brakes: International Standard, Center-Lock
    ETRTO size: 559x19c
    Front wheel mount: QR
    M10 (Shimano, Sram)
    Rear wheel mount: QR
    Recommended tire sizes: 1.5 to 2.3
    Tire: tubetype

    at least they got the tyre sizes right :wink:
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • supersonic
    supersonic Posts: 82,708
    2.3-2.4 max on a Crossride. Is an XC wheelset.
    GT ZASKAR CARBON TEAM

    VOODOO CANZO

    Come and see me at https://www.facebook.com/biketyke/
  • toasty
    toasty Posts: 2,598
    veganian wrote:
    Toasty wrote:
    17? I thought Crossrides have had a 19mm rim with for a good while? Mine are 3 years old or something now and have 19mm.

    Why would you use a narrow XC rim with a huge downhill tyre? If you're doing trail/XC riding you'll go a lot slower with huge tyres, more weight to heave around and more rolling resistance. If you're doing downhill your wheels are completely inapproriate and won't last long.

    They're 17 now (see http://www.chainreactioncycles.com/Mode ... elID=32450 if you think i'm wrong, which i quite often am!)

    I think I've got the right wheels for the kind of riding i do. It sounds as though i was miles off on the tyres though!

    Ah, you're using V brakes? The disc model are certainly 19mm:

    http://www.chainreactioncycles.com/Models.aspx?ModelID=30822
    Stumpy FSR 29er
  • burpingberty
    burpingberty Posts: 1
    You know somewhere nearby where you live is a place called a bike-shop. If they're any good they can tell you answers on the spot. If you bring in your bike they can show you what will give you the result you're after. Yeah they can more expensive than online retailers (sometimes), but paying MSRP for a tyre is far better than getting a cheap tyre that doesn't even fit into your frame, or worse, does but rolls off your rim while cornering, or rubs grooves into your seat stays as soon as it's covered in grit..

    Most bike-shops will try to talk you out of dangerous/expensive mistakes. Online retailers don't normally ask questions, so will usually sell you what you ask for, which is not always what you want.
  • supersonic
    supersonic Posts: 82,708
    Guess that is why he is asking here ;-)
    GT ZASKAR CARBON TEAM

    VOODOO CANZO

    Come and see me at https://www.facebook.com/biketyke/
  • veganian
    veganian Posts: 10
    supersonic wrote:
    2.3-2.4 max on a Crossride. Is an XC wheelset.

    Thanks Supersonic, that's good to know.
  • veganian
    veganian Posts: 10
    Toasty wrote:

    Ah, you're using V brakes? The disc model are certainly 19mm:
    Yes, sorry, should have mentioned that!
  • veganian
    veganian Posts: 10
    burpingberty wrote:
    You know somewhere nearby where you live is a place called a bike-shop. If they're any good they can tell you answers on the spot.

    Thanks for the subtle hints :wink: but part of the problem is that the bike shops around where I live aren't any good (based on experience of asking them questions). Which is why I'm asking on here as well.

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