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  • #2041
    Originally posted by theguitarfreak View Post
    Changed both tires of my Apache 180 today. Got an MRF zapper FS for the front one. And the zapper S for the rear. Tried some twisties after putting them on. The grip is just awesome! Even a great lean angles it inspires lot of confidence, a lot lot more than the TVS tyres. Will be able to comment on them more after notching up a few miles.

    But one thing that has happened is that the top speed has got reduced while the acceleration has increased. Earlier my bike used to ride at 53 (speedo indicated) at 4k rpm in 5th gear. Now its doing 50 at the same. Might have to do some re-sprocketing later. Also expecting an increase in mileage. Will post more on it soon.
    The OE size for RTR 180 is

    F : 90/90 17 TL
    R : 110/80 17 TL

    Looks like you have changed to a smaller sized tyre. The smaller tyre having a lesser external diameter which would change the gear ratios and it appears to give more acceleration and decrease top speed. In reality, the top speed and acceleration has not changed, it appears so only because of the change in diameter of tyre

    Comment

    • #2042
      Originally posted by GoGreen View Post
      The OE size for RTR 180 is

      F : 90/90 17 TL
      R : 110/80 17 TL

      Looks like you have changed to a smaller sized tyre. The smaller tyre having a lesser external diameter which would change the gear ratios and it appears to give more acceleration and decrease top speed. In reality, the top speed and acceleration has not changed, it appears so only because of the change in diameter of tyre
      You mean to say when its showing 50 on the speedo now, its actually 53 of the previous state?
      You can only ride better tomorrow if you ride safe today.

      Comment

      • #2043
        Originally posted by theguitarfreak View Post
        You mean to say when its showing 50 on the speedo now, its actually 53 of the previous state?
        Yes.

        The gear ratios have been changed with the change in tyre size to a slightly smaller one. The speed is caliberated with the original size of the bike tyre. When, on the original size of tyre, in one revolution, the bike moves "X" distance. With the smaller tyre, in one revolution, it moves a smaller distance than "X". Therefore, the higher apearing acceleration and decrease in top end speed.

        Comment

        • #2044
          Originally posted by GoGreen View Post
          Yes.

          The gear ratios have been changed with the change in tyre size to a slightly smaller one. The speed is caliberated with the original size of the bike tyre. When, on the original size of tyre, in one revolution, the bike moves "X" distance. With the smaller tyre, in one revolution, it moves a smaller distance than "X". Therefore, the higher apearing acceleration and decrease in top end speed.
          That means it has reduced the speedo error to an extent indirectly. Has it?
          You can only ride better tomorrow if you ride safe today.

          Comment

          • #2045
            Originally posted by theguitarfreak View Post
            That means it has reduced the speedo error to an extent indirectly. Has it?
            Not sure what you mean, but the speedo is caliberated as per original siz and any change in tyre size, whether increase or decrease will affect it.

            Comment

            • #2046
              Originally posted by GoGreen View Post
              Not sure what you mean, but the speedo is caliberated as per original siz and any change in tyre size, whether increase or decrease will affect it.
              What i meant was that earlier it used to show a speedo indicated 53 at 4k rpm which meant a true speed of 49. Now its showing 50 on the speedo at 4k rpm and you are saying this 50 = earlier 53. But the true is speed is staying at 49. So hasnt the speedo error reduced now?
              You can only ride better tomorrow if you ride safe today.

              Comment

              • #2047
                hi guys, 22k kms doen onmy Zma and I am looking at changing the tyres next month.the major reason will be to ride in the himalayas in June.tubeless tryes will be prefered.I do not want to go anything beyound 110. 100-90 prefered.

                Michelins are out of my budget as the trip on the whole will be costing me a bomb.something economical and good.

                ZMR tyres- are they available now, if so how much do they cost?
                Leh
                http://www.xbhp.com/talkies/tourer/1...d-reasons.html

                The Southern Sojourn
                http://www.xbhp.com/talkies/best-tra...-remember.html

                Munnar - Kodai
                http://www.xbhp.com/talkies/tourer/5...-page-6-a.html

                Goa
                http://www.xbhp.com/talkies/tourer/6...ers-8days.html

                Comment

                • #2048
                  Originally posted by steveburnside2001 View Post
                  hi guys, 22k kms doen onmy Zma and I am looking at changing the tyres next month.the major reason will be to ride in the himalayas in June.tubeless tryes will be prefered.I do not want to go anything beyound 110. 100-90 prefered.

                  Michelins are out of my budget as the trip on the whole will be costing me a bomb.something economical and good.

                  ZMR tyres- are they available now, if so how much do they cost?
                  if running on stock dont change now - hope it has more life left..
                  just change it like 2-3 weeks before the trip - and best option for Ladakh is Ceat Vertigo - tubless but 120. it wont be a overkill trust me.. and you will love it there.
                  U.S on FZ6

                  Wayanad- LEH 09 - Coorg - Muthathi - Bye Bye 2008 - First G2G - 07

                  Photography

                  Comment

                  • #2049
                    Originally posted by Rockkyyy View Post
                    if running on stock dont change now - hope it has more life left..
                    just change it like 2-3 weeks before the trip - and best option for Ladakh is Ceat Vertigo - tubless but 120. it wont be a overkill trust me.. and you will love it there.
                    Wont a Sirac 120' do the Job? Or is it because its a Tube tyre??

                    Any recommendations for the front? Currently running 100/80 front & 100/90 rear MRF Tubeless on the ZMR!
                    Photo Gallery[/B]

                    Comment

                    • #2050
                      Originally posted by Ananth View Post
                      Wont a Sirac 120' do the Job? Or is it because its a Tube tyre??
                      Any recommendations for the front? Currently running 100/80 front & 100/90 rear MRF Tubeless on the ZMR!
                      Sirac is always my option, would have suggested that. I used sirac for 25k. o yes its tubeless too
                      But Michelins are out of Steves budget now.

                      I am still looking for a front one. Btw M45 worked well for me with Sirac.
                      Many had feedback that it has uneven wear and tear - but atleast i didnt had any problem till 20k...
                      U.S on FZ6

                      Wayanad- LEH 09 - Coorg - Muthathi - Bye Bye 2008 - First G2G - 07

                      Photography

                      Comment

                      • #2051
                        Originally posted by Rockkyyy View Post
                        Sirac is always my option, would have suggested that. I used sirac for 25k. o yes its tubeless too
                        But Michelins are out of Steves budget now.

                        I am still looking for a front one. Btw M45 worked well for me with Sirac.
                        Many had feedback that it has uneven wear and tear - but atleast i didnt had any problem till 20k...
                        Well, even i wanted to change for that same trip, so any advice is welcome for both of us I'm looking out for Options, Ceat Vetrigo or Michelin Sirac for the rear (120) and Michelin M62 / any similar Dual Purpose tyre for Front.

                        And Why dont you try Michelin M62 for a change if you want to change the front of yours?
                        Photo Gallery[/B]

                        Comment

                        • #2052
                          Best Tyre Poll added
                          Join xBhp On

                          Comment

                          • #2053
                            Originally posted by Rockkyyy View Post
                            Sirac is always my option, would have suggested that. I used sirac for 25k. o yes its tubeless too
                            But Michelins are out of Steves budget now.

                            I am still looking for a front one. Btw M45 worked well for me with Sirac.
                            Many had feedback that it has uneven wear and tear - but atleast i didnt had any problem till 20k...

                            Uneven wear is likely to happen in any tyre which is not having a centre grooving.

                            It is not a defect.

                            Uneven wear typically comes out towards the end of tyre life typically after 17000 km.

                            It does not in any way hamper the performance on any parameter such as braking, cornering, grip or comfort.

                            Comment

                            • #2054
                              Originally posted by Sunny View Post
                              Best Tyre Poll added
                              which mentions multiple options can be chosen, but doesn't happen so,
                              please look into it

                              Comment

                              • #2055
                                Hey guys, I need some tyre info
                                I have P150 UG2
                                I need tubeless tyres, front and rear
                                I don't need soft compound, so R15 tyres go out of the window.
                                I don't wanna go beyond
                                Front : 90/90 R17
                                Rear : 110/90(or 80) R17

                                Most important is TUBELESS
                                No offroading ( if you don't count bad road in rural areas)

                                stock tubed
                                front : 2.75 R17
                                rear : 100/90 R17

                                As I see my options are limited to P220'styres but rear tyre is 120/80R17 which a bit wider than my needs.

                                Any tubeless tyres, in R17, by Dunlop, Continental, IRC, ceat etc?

                                I'm from Mumbai (Thane). So if possible suggest a shop too.
                                Last edited by MotionFreak; 02-15-2010, 12:20 AM.

                                Comment

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