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I am very close to buying a Cannondale Scalpel frame to replace my current Santa Cruz Superlight (quite a change!)
I am just wondering how to best use my existing parts on the scalpel frame in the short term. I am very aware a Lefty and Hollowgrams are ideal but I do not currently have the funds.
1) What is the best way to run a 1 1/8th fork (Magura Durin) in a Scalpel frame?
Should I get a new reducer headset like that of FSA/ Cane Creek/ Hope or use the existing Cannondale bearings and a set of the press in Cannondale headset reducers? It seems the press in adapters are lighter and cheaper but do these offer perfect performance?
2) What is the best way to run a 24mm axle crank (Rotor 3D) in a BB30 Scalpel frame?
Again, a press in reducer (in to the existing Cannondale bearings) seems like the lightest and cheapest option but I can't get my head around it being creak and wobble free.
Would replacing the Cannondale bearings with the Alu BSA insert and then using a regular BSA BB be better (if a little heavier and more hassle to fit)?
Does anyone know of BB30 fit bottom brakets with a 24mm ID for Shimano cranks? I could only find one Aerozine BB like this on ebay.
I am very new to Cannondale frames so apologise for the perhaps daft question!
Many thanks, DanW
http://www.merlincycles.com/bike-shop/m ... ducer.html
Bash it on shove it in job done has been fine so far and stiff enough for me to not notice.
As for running 24mm cranks in a BB30 frame... personally I wouldn't put an alu insert into the frame as they are difficult to get out if you change your mind and want to run BB30 cranks. You can use these adapters to run 24mm cranks, you press normal BB30 bearings into your frame/shell and then these just push into the bearing effectively reducing the ID of the bearing from 30 to 24mm - http://www.sigmasport.co.uk/item/Wheels ... tAodzywAnQ - I have used them and they do work quite well.
Couldn't say on bearing covers for cannondale headsets.... but do put something between the BB30 bearing and BB adapter, ideally a "cannondale BB30 bearing shield" (google it), I did find that without the shield water/dirt got in easier and bearings suffered, also found that with the shield in it sits the BB adapters just slightly proud of the shell which stops them from rubbing against and marking/scratching the BB shell itself.
I was worried that the bearing are quite exposed with just the adapters sitting on top but then conversely worried that putting the bearing shields in would make the crank spacing too wide- it is good to know that the solution with the bearing shields works well. Thanks!
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