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Old 07-29-19, 10:59 AM
  #4  
EnzoRWD
enginerd
 
Join Date: Nov 2005
Location: MKE
Posts: 688

Bikes: officially too many now...

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rake/offset and head tube angle also go together. mis-matching a fork and frame can cause squirrely handling, even when going to a more "slack" fork. The trail number also indicated stability. A track frame with a 74.5 or 75 deg head tube and a 35mm fork can actually be really stable. Total wheelbase also plays into how "quick" a bike handles.

Short answer: match the existing fork rake and length as closely as possible. I've had a bike go from no-hands, rock steady to twitchy from an overly large lower stack height on a headset.


https://www.cyclingabout.com/underst...rame-geometry/
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