Convert Hope Pro 4 To Boost

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Bulletin


Aaronz25RS


Posted: February 15, 2020 at xix:35

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Every bit the title says, is information technology possible to convert a Hope Pro 4 Heave
110x15mm
to 20x110mm??

I was looking at the Hub Conversion Chart and bought a HUB-420 kit for it based on what was there, simply it doesn’t mention anything well-nigh the Pro 4 110mm model, just “Pro iv” and well, it’s not working

I got the bicycle used with this hub, and a boost fork, but switched to a longer travel non-boost fork..



Pothead78


Posted: Feb xvi, 2020 at 1:41

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I could exist wrong simply don’t think its possible, end caps tin be swapped for 100×20 but the mounts for the rotor will not work with a non heave fork ( the rotor will not exist in line with the caliper )


fuzzydunlop


Posted: Feb xvi, 2020 at 3:xx

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What pothead says. This guide is a flake clearer than hopes chart https://www.bike-components.de/en/Promise/Conversion-Kit-for-Pro-4-Hubs-p57642/


Aaronz25RS


Posted: Feb sixteen, 2020 at vi:53

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Pothead78 wrote:
I could be wrong only don’t call back its possible, end caps can exist swapped for 100×20 but the mounts for the rotor will not work with a non heave fork ( the rotor will non be in line with the caliper )

Yep, im seeing this, but too seeing some proper trimming of the end caps and itd work.

Like 5mm off each side and boom..

Thanks though.



Aaronz25RS


Posted: Feb 16, 2020 at 6:53

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fuzzydunlop wrote:
What pothead says. This guide is a bit clearer than hopes nautical chart https://world wide web.bike-components.de/en/Hope/Conversion-Kit-for-Pro-4-Hubs-p57642/

Not much clearer, merely i appreciate it, cheers



JimmyGrand


Posted: Feb 17, 2020 at 0:03

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Aaronz25RS wrote:
As the title says, is it possible to convert a Promise Pro 4 Boost
110x15mm
to 20x100mm??

I was looking at the Hub Conversion Chart and bought a HUB-420 kit for it based on what was there, but it doesn’t mention anything most the Pro 4 110mm model, only “Pro 4” and well, it’s not working

I got the bike used with this hub, and a boost fork, just switched to a longer travel not-boost fork..

Every bit far as I know, a fork with 20×100 dropouts don´t exist. Even the quondam 20mm axles had 110mm spacing, fifty-fifty though they weren´t heave.

You need to be enlightened though, as two 20×110 standards exist. Both the former non-boost that was used on quondam 40´s, 36´s, etc., and the new 20×110 heave that´s used on the new 49´er.



Aaronz25RS


Posted: Feb 17, 2020 at 0:22

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Pardon me, I meant 110mm I’ve got then many numbers flight through my caput.. I believe the other guys saw that.. my bad

Merely that’south what im request, os there a proper set up of spacers for the Pro iv that will allow me do Boost to Non-Boost 20mm.. because the ones i got are a solid 10mm to broad.



JimmyGrand


Posted: Feb 17, 2020 at 0:30

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Aaronz25RS wrote:
Pardon me, I meant 110mm I’ve got so many numbers flight through my head.. I believe the other guys saw that.. my bad

Merely that’s what im asking, os there a proper set of spacers for the Pro iv that will let me do Heave to Non-Heave 20mm.. because the ones i got are a solid 10mm to wide.

That´s a tough ane, I believe the hubshell might be too wide to do that conversion. Take you e-mailed Promise direct, they´re ever very helpful.



Aaronz25RS


Posted: Feb 17, 2020 at four:51

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JimmyGrand wrote:
Aaronz25RS wrote:
Pardon me, I meant 110mm I’ve got and then many numbers flying through my head.. I believe the other guys saw that.. my bad

Only that’south what im request, os in that location a proper set of spacers for the Pro 4 that volition let me do Boost to Non-Boost 20mm.. because the ones i got are a solid 10mm to wide.

That´southward a tough ane, I believe the hubshell might be too wide to practice that conversion. Accept you e-mailed Promise direct, they´re always very helpful.

That’southward my next step.. Thank you



Pothead78


Posted: February 17, 2020 at 9:49

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Non heave hubs tin be converted to use with a boost fork by using different end caps and a shim for the rotor mounts. Boost hub flanges are further autonomously than non heave hubs, not just the axle spacing, and cannot be made narrower therefore the rotor will never line upwardly with the caliper when used in a non boost fork, even if the stop caps are swapped for the correct size. Sad if thats not clear enough but its almost as well equally I can draw it


Aaronz25RS


Posted: Feb 18, 2020 at 12:06

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Pothead78 wrote:
Non boost hubs can be converted to use with a boost fork by using different terminate caps and a shim for the rotor mounts. Boost hub flanges are farther apart than non boost hubs, not just the axle spacing, and cannot be made narrower therefore the rotor will never line up with the caliper when used in a non boost fork, even if the cease caps are swapped for the correct size. Distressing if thats non articulate enough but its well-nigh as well every bit I can describe it

I gotcha brotha, had it confirmed through others too, tin get from non-boost to boost, but not dorsum..

Anyone need a Hope Pro4 boost in blackness?


Source: https://www.pinkbike.com/forum/listcomments/?threadid=218316