49mm forks questions
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6th Gear
Joined: May 2024
Posts: 13
Likes: 1
From: MA
49mm forks questions
Hey all so I bought a set of forks off a low rider for my project bike swapping from 39mm to 49mm. Now there missing some parts and I'm on a budget need fork spring and spacers + top cap. Now can i use any fork springs as long as they match? And I need to go up 2in in ride height does any one sell 2in riser caps that aren't $100 + or does it make more sense to get 2in extended fork dampers off lowbrow?
Seasoned HDF Member
Joined: Jan 2015
Posts: 16,013
Likes: 7,139
From: Sandy Eggo's North County
Going from a 38 to a 49, you're going to experience MORE stiction, and oil seals that are garbage.
"Riser caps" aren't the way to lengthen forks. Longer stanchion tubes do it correctly.
Dunno if the spring diameters are the same, but they shouldn't be the same...
"Riser caps" aren't the way to lengthen forks. Longer stanchion tubes do it correctly.
Dunno if the spring diameters are the same, but they shouldn't be the same...
Thread Starter
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6th Gear
Joined: May 2024
Posts: 13
Likes: 1
From: MA
1994 xlh sportster yes I know it a weird choice and I know that the whole front end need to change as well. Well on my way to that Just need to know if any 49mm fork spring off any 49mm dyna fork will fit in my forks. And can I change out the fork damper with a + 2in damper to get the 2in of ride height i need with out going out and doing tubes.
Stellar HDF Member
Joined: Aug 2019
Posts: 3,130
Likes: 1,917
From: Unreconstructed
1994 xlh sportster yes I know it a weird choice and I know that the whole front end need to change as well. Well on my way to that Just need to know if any 49mm fork spring off any 49mm dyna fork will fit in my forks. And can I change out the fork damper with a + 2in damper to get the 2in of ride height i need with out going out and doing tubes.
Good luck.
Last edited by snake_eyes; Feb 10, 2025 at 11:34 AM.
Seasoned HDF Member
Joined: Nov 2006
Posts: 21,083
Likes: 19,241
From: The Wasteland
Im sure someone in the Sportster section has done it before. Post over there like Snake Eyes suggested, you'll probably get more info.
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6th Gear
Joined: May 2024
Posts: 13
Likes: 1
From: MA
thanks man that's the info I was looking for. Got trees figure out going to use stock 48 low and most likely modified top tree
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