Jimmy Mack Posted November 1, 2019 Share I am replacing the fork on my 2015 Scott Scale 950. The original fork, a Fox Evolution Series, has a straight steerer. The replacement fork, also a Fox Revolution Series has a tapered steerer. I purchased a headset kit from my local bike shop but found that the bearings do not fit into the end cups. The bike mechanic informed me that the end cups are unnecessary. When I asked how the bearings would seat without the end cups he seemed confused. Can anyone tell me if the conversion from straight steerer to taper steerer is possible on this model Scott Scale and if so, how it's done? Link to comment Share on other sites More sharing options...
Longbarn Killer Posted November 1, 2019 Share I've never tried this, but I have always been lead to believe that if your frame is designed for a straight steerer, a tapered fork will not fit. You can fit a straight steerer to a tapered frame by using adaptors, but not the other way round. Maybe I am wrong, but I don't think so. Link to comment Share on other sites More sharing options...
ValeYellow Posted November 1, 2019 Share as far as I know, this frame is tapered. It may have had a straight steerer fork fork fitted and the external cups may be there as to accommodate this narrow steerer. Sounds like you need to change the cups and the tapered steerer will fit perfectly. Jimmy Mack and Wayne pudding Mol 2 Link to comment Share on other sites More sharing options...
gemmerbal Posted November 1, 2019 Share You’ll need new cups, a bearing press of some sort and of course new bearings. The bearing press is for fitting the new cups squarely in the frame headtube and is the most critical part of this conversion. The cups can be expensive, precisely why i decided to stick with a straight steerer fork (my budget was tight but i needed a new fork). Jimmy Mack 1 Link to comment Share on other sites More sharing options...
gemmerbal Posted November 1, 2019 Share The tapered cup will sit externally and will affect the headtube angle ever so slightly. But this conversion can be done, as mentioned, new cups can be pricey. I've never tried this, but I have always been lead to believe that if your frame is designed for a straight steerer, a tapered fork will not fit. You can fit a straight steerer to a tapered frame by using adaptors, but not the other way round. Maybe I am wrong, but I don't think so. Edited November 1, 2019 by gemmerbal Link to comment Share on other sites More sharing options...
gemmerbal Posted November 1, 2019 Share AndrewMo, MORNE and ChrisF 3 Link to comment Share on other sites More sharing options...
Me rida my bicycle Posted November 1, 2019 Share Scale 950 2015 will take a tapered steerer. Have a 2016 940 which is the same frame and running tapered steerer. Jimmy Mack 1 Link to comment Share on other sites More sharing options...
Me rida my bicycle Posted November 1, 2019 Share What does the crown race look like on the straight steerer? MORNE 1 Link to comment Share on other sites More sharing options...
Me rida my bicycle Posted November 1, 2019 Share Worst case you need to change bottom cup and bearing. Link to comment Share on other sites More sharing options...
AndrewMo Posted November 2, 2019 Share If I were you, step one would be finding a new local bike shop... I am replacing the fork on my 2015 Scott Scale 950. The original fork, a Fox Evolution Series, has a straight steerer. The replacement fork, also a Fox Revolution Series has a tapered steerer. I purchased a headset kit from my local bike shop but found that the bearings do not fit into the end cups. The bike mechanic informed me that the end cups are unnecessary. When I asked how the bearings would seat without the end cups he seemed confused. Can anyone tell me if the conversion from straight steerer to taper steerer is possible on this model Scott Scale and if so, how it's done? MORNE , shaper, nick_the_wheelbuilder and 1 other 4 Link to comment Share on other sites More sharing options...
MORNE Posted November 2, 2019 Share It’s as easy as getting a new headset or even half a headset(bottom cup) as already suggested for that frame. There might even be a reducer crown race on the fork which means you wouldnt even need a new headset as Suggested already too. Your bike mechanic sounds........’.uninformed’ Edited November 2, 2019 by morneS555 gemmerbal and Jimmy Mack 2 Link to comment Share on other sites More sharing options...
Jimmy Mack Posted November 2, 2019 Share What does the crown race look like on the straight steerer?The straight steerer, on the left, has a flat race that had an open ballbearing. The replacement fork on the right has a chamfered race. Link to comment Share on other sites More sharing options...
Me rida my bicycle Posted November 2, 2019 Share The straight steerer, on the left, has a flat race that had an open ballbearing. The replacement fork on the right has a chamfered race.Forks 1.jpgno need to replace bottom cap or bearing that straight steerer has a large crown race to fit in the tapered bearing. The new fork should fit as is or you might need a spacer underneath but that should fit as is. MORNE 1 Link to comment Share on other sites More sharing options...
Jimmy Mack Posted November 2, 2019 Share If I were you, step one would be finding a new local bike shop...Done and dusted. Pure Savage 1 Link to comment Share on other sites More sharing options...
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