Giant Fork Rake
03-14-07, 01:30 PM
#1
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Giant Fork Rake
Need a new fork for a Giant TCR Advanced Small.
Steerer is too short.
What is the rake I need to keep the same geometry? Thanks!
Steerer is too short.
What is the rake I need to keep the same geometry? Thanks!
03-14-07, 01:35 PM
#2
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I should also ask if the rake is that same on a medium and small? Looks like most available forks I can find came off medium frames.
03-14-07, 01:43 PM
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I'm pretty sure the rake is a 43mm. I ride a TCR size = S. I will be pulling the thing apart soon and could tell you for sure if you still haven't found the answer. I believe it is stamped into the steerer.
I believe (read "guessing") that the Medium and Small use the same rake.
I believe (read "guessing") that the Medium and Small use the same rake.
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03-14-07, 02:16 PM
#5
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I'll pitch in with some semi-unusable info 
I have a Med Giant and two Small Giants. I replaced the flexy Giant fork on the Med and one Small with the same type of 43mm rake Reynolds. I didn't measure first but they are both 1000x better. The other Small has Giant's slimmer fork and doesn't wobble like the first type of Giant fork.
Note: the frames where I replaced the fork are both aluminum.
I bought one of the Reynolds over the winter on closeout from Excel. $110 I think. Still available.
cdr
I have a Med Giant and two Small Giants. I replaced the flexy Giant fork on the Med and one Small with the same type of 43mm rake Reynolds. I didn't measure first but they are both 1000x better. The other Small has Giant's slimmer fork and doesn't wobble like the first type of Giant fork.
Note: the frames where I replaced the fork are both aluminum.
I bought one of the Reynolds over the winter on closeout from Excel. $110 I think. Still available.
cdr
03-14-07, 02:56 PM
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There is a .5 degree difference in head tube angle. If the same fork is used on both frames, small and medium, the small will have considerably more trail. If you want to keep the steering trail the similar you could use a rake and trail calculator to back into the needed rake offset. But having more trail on the smaller frame could be a good thing.
Calculator: https://www.kreuzotter.de/english/elenk.htm
Al
Calculator: https://www.kreuzotter.de/english/elenk.htm
Al
Last edited by Al1943; 03-14-07 at 03:02 PM.
03-14-07, 09:28 PM
#7
Aluminium Crusader :-)
unless the new fork is the exact same fork, rake is just about irrelevant, unless, perhaps, if the rake is a huge difference: 4 or 5mm or more.
Carbon forks vary so much in performance that 2 or 3mm of rake is almost meaningless.
If someone gets a different fork with the same rake, it's almost guaranteed to handle differently....because it's a different fork!
Carbon forks vary so much in performance that 2 or 3mm of rake is almost meaningless.
If someone gets a different fork with the same rake, it's almost guaranteed to handle differently....because it's a different fork!
