Replacing front fork on a Giant expression , help needed
#1
Senior Member
Thread Starter
Replacing front fork on a Giant expression , help needed
Howdy ,
I have a Giant hybrid here and there is something seriously wrong with the front fork , it is both bent and out of parallel .
I am looking to replace it and could do with a little guidance .
It's 1 1/8 threaded steerer .
So I guess I need to match it with a fork with the same steerer lenght .
My question is what about the actual lenght of the fork below the crown race to the dropouts ? I'm sure this is crucial as if it's shorter or longer the bike will feel wierd , But I don't see this marked on the forks on eBay.
Also the race , is it important ? The current fork shoots straight down but I see many forks with a curve , how important is it to match this ?
Thanks for any pointers
J
I have a Giant hybrid here and there is something seriously wrong with the front fork , it is both bent and out of parallel .
I am looking to replace it and could do with a little guidance .
It's 1 1/8 threaded steerer .
So I guess I need to match it with a fork with the same steerer lenght .
My question is what about the actual lenght of the fork below the crown race to the dropouts ? I'm sure this is crucial as if it's shorter or longer the bike will feel wierd , But I don't see this marked on the forks on eBay.
Also the race , is it important ? The current fork shoots straight down but I see many forks with a curve , how important is it to match this ?
Thanks for any pointers
J
#2
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Assuming your bike is a 700c wheel size, that is the size fork you will need. The steering tube length should be close to the
steering tube length of the fork that is on the bike. Too short and it won't clear the headtube/headset, too long and you
may not have enough thread to tighten the headset down (thread ends before the top of the headtube). The steering
tube length will be specified in the fork description.
Matching the curve is not particularly critical, most carbon forks are straight these days, steel is more likely to be a bit
curved but much less than decades past.
steering tube length of the fork that is on the bike. Too short and it won't clear the headtube/headset, too long and you
may not have enough thread to tighten the headset down (thread ends before the top of the headtube). The steering
tube length will be specified in the fork description.
Matching the curve is not particularly critical, most carbon forks are straight these days, steel is more likely to be a bit
curved but much less than decades past.
Last edited by sch; 06-30-18 at 04:03 PM.
#3
Senior Member
Thread Starter
Thanks , I have seen a very cheap fork on ebay with a 170mm steerer , however the one on the bike is 175 , could it be pulled off as long as the top cap can engage enough thread ?
#4
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No need to match the length if you go threadless!
#5
Banned
but it still cannot be too short ... crown race seat to fork tip vastly different,
rake/offset needs be similar to fork frame was designed around, using..
..
rake/offset needs be similar to fork frame was designed around, using..
..