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View Full Version : Just a couple of questions Gsxr1074 06-21-2004, 07:33 PM I am building a 2001 razorback 3.0 What is the size of the seat post? internal and external What is the size of the bottom bracket? pimpbot 06-21-2004, 10:34 PM I am building a 2001 razorback 3.0 What is the size of the seat post? internal and external What is the size of the bottom bracket? and my BB is 63X113 Seatpost is a 31.6, extra long. That frame has a super low top tube. I had to get a 390mm seatpost so I was not above the safety mark. Titec makes one for cheap. The K2 also take a funky top swing deraileur. The linkage is actually on the top of the deraileur, not in back of it. My Shimano XT deraileur from my Giant, which is the same clamp diameter and also top pull would not fit, but the guy I got the frame from gave me the correct XT deraileur. The specs on the eDiscountbike.com site is different than my 2002 SL. I don't know if they are wrong, or just different for 2001. Call K2 to be sure. Williwoods 06-22-2004, 01:59 PM [QUOTE=pimpbot]and my BB is 63X113 you do mean 68 right? and spindle length depends on cranks used my evolves use a 108 but the turbines used 113. WIll pimpbot 06-23-2004, 07:21 PM [QUOTE=pimpbot]and my BB is 63X113 you do mean 68 right? and spindle length depends on cranks used my evolves use a 108 but the turbines used 113. WIll sorry about that airman 06-23-2004, 07:47 PM I am building a 2001 razorback 3.0 What is the size of the seat post? internal and external What is the size of the bottom bracket? Please check the BB size... I have an '01 Razorback 3 and it took a 73x113 hollowtech. Measure the frame BB housing width with a ruler. It should be 73mm... The important # you need is the Chainline. You need 47.5mm - match this with a 73mm shell and whatever combo of cranks and BB you want. Pimpbot is correct that the stock front derailleur is a top swing. I have seen some folks fit a bottom swing, but it did not work on mine... Its a great bike, have fun... Cheers :cool: |