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fork upgrade for my sur ron

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    fork upgrade for my sur ron

    Has anyone upgraded there front forks on sur ron?I need help Figuring out what my options are
    DavidGTiSolar

    #2
    I installed Fox's Float 40 (27.5") downhill forks as an upgrade to the RST. Combined with the 21" custom wheel I laced it's a whole new bike.

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      #3
      did you have to replace the triple tree and headset bearings I would like it what the fox forks on i have the DNM they are terrible

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        #4
        The forks come w/trees, also the Fox 40 come with a lightweight steertube that will need a larger star-nut or expander to tension the headset. Stack height with the upgrade tapered bearing set I'm using is very close to max.

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          #5
          the dnm shock has the new tapered headset so I don't think it will work .I might have to replace the headset can you post a close-up picture of your triple tree and headset set up? Where did you purchase your forks and parts?

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            #6
            did you use a mountain bike rim and front tire for a motorcycle rim and front tire?

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              #7
              Too close? My front wheel is a 21x1.6" Tusk impact 36 spoke m/c rim on a bubba 110mm mtb hub wrapped with a 2.75" shinko 241.
              My headset came from Luna, the mtb hub & spokes from the wicked wheel shop. The rim, tire, forks ect from ebay.
              Last edited by X-Nitro; 02-16-2020, 09:06 PM.

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                #8
                did the stock bearings and races work?Do u have the 2019 or 2020 Version?

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                  #9
                  My bike is '18, and yes the OE bearings (all, or both type) work if you use a straight 28.6mm steertube + bearing adapter like stock does. I assume the lower bearing w/o adapter also fits tapered steertubes, no guarantee on that.
                  The reason for the adapter is that the sur ron frame is made to accommodate a tapered steertubes larger lower bearing, but they come w/straight-tube forkset.
                  Last edited by X-Nitro; 02-19-2020, 01:31 PM.

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                    #10
                    were would a good place to go to get the forks And components?

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                      #11
                      I went with RockShox boxxer World Cup Downhill Fork.
                      Click image for larger version

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                      • DavidGTiSolar
                        DavidGTiSolar commented
                        Editing a comment
                        Nice bike!! what rear sprocket is that?

                      #12
                      It's a 58 tooth by Sur Ron USA. It's a standard non o-ring chain. 112 links.

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                        #13
                        Just ordered these for my surron just wondering how hard they are to fit and if they actually will
                        fit

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                          #14
                          Should install without trouble, depending on the bearings used you may need to re-use the lower bearing adapter & expect the star-nut to be a larger size. These forks will need a boost size hub or 5mm brake adapter for a 110x20 (stock size) hub.
                          Last edited by X-Nitro; 1 week ago.

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                            #15
                            Yeah I don’t really know much about bikes at all do you think I will need to get someone to professionally fit them or is it pretty simple and obvious what extra bits I will need

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