November 17, 201411 yr hello I need your experiance about the different part number and the solutions (if you have something) The part number for Marzzochi is BT20000153011 and the diameter of the seal is skf 40x52 25x9,8. It is different of the older models. I can not find this here in Greece.....is this so special ?
November 17, 201411 yr Can I ask why you need to change it? Some problems can be sorted by tightening the retainer spring around the neck of the seal. Make sure you clean under the seal first.( i use wonder wipes for this)
November 18, 201411 yr Author I have to change because one of them destroyed from a scratch on the tube....Thanks for your tip. The numbers is on the seal and I write them as I saw
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