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TartyBikes Hope Pro 4 Trials S/S Rear 116mm Conversion

Product code: 14065

$105.02

Special order

TartyBikes Hope Pro 4 Trials S/S Rear 116mm Conversion

This is a workshop service, not an item that will be sent to you. Usually takes 2-3 days.

Convert your new Hope Pro 4 Trials S/S rear hub to fit frames with 116mm spaced drop-outs!

- Machining service to convert a standard Hope Pro 4 Trials S/S, 10mm Rear hub from 135mm to 116mm to fit a wide variety of modern Trials frames!

Please note this is NOT a Hope Pro 4 Trials S/S Rear, 10mm hub, it is a workshop service to MODIFY an existing Hope Pro 4 Trials S/S Rear, 10mm hub. Hubs must be bought separately and are NOT included.

- The modified hub is ONLY compatible with Gusset 1ER Sprockets or Shimano DX Sprockets . You must add a Gusset 1 ER or Shimano DX sprocket of your choice to the basket if you purchase this product! If you are not sure what sprocket you need, please get in touch before you purchase this machining service.
- Please do not add this item to your basket unless you have purchased a Hope Pro 4 Trials S/S Rear, 10mm hub in the same order.
- Using our specially developed process, we machine excess material from the free hub body and hub axle to fit in 116mm spaced frames (exact axle spacing may vary slightly) whilst keeping the rotor mount exactly where it needs to be.
- Can be used with or without snail cams - simply remove the axle bolt washers to fit your choice of snail cams on the outside of your frame! (snail cam use with this hub conversion may not be possible on certain frame designs).
- Extra pawl springs are fitted and included in the price, these improve engagement and reduce the chance of skipping.
- A snap ring instead of a cassette lockring to secure the sprocket saves weight and makes sprocket removal and fitting easy!
- The drive side axle bolt is cut down to fit the modified hub axle saving weight!
- The modified hub uses the same amount and type of bearings as the standard Pro 4 Trials S/S hub which means easy servicing and readily available spares from Hope.
- Ideal if you prefer the reliability and lower rolling resistance of a rear free hub with spares widely available from Hope to keep your new hub running perfectly.
- Weight - 431.1g - Includes axle bolts and snap ring as pictured. 30.2g lighter than the standard Hope Pro 4 Trials S/S Rear hub! Please note weights may vary slightly as this is a custom machining service.

Additional Information

Modification service only! You must buy a Hope Pro 4 Trials S/S Rear hub and Gusset 1ER / Shimano DX sprocket separately!

This modification service is to convert a Hope Pro 4 Trials S/S Rear, 10mm hub to 116mm OLD only - we cannot convert through axle hubs or hubs from any other brands to this size. If you would like to fit a Hope Pro 4 Trials S/S Rear, 10mm hub to any other frame spacing than 116mm or 135mm please get in touch as we may be able to help.

We cannot perform this modification service on used or second hand hubs.

Questions

Gordon Tan

Hello, my frame is 116mm rear, with a snail cam tensioner, if I want to use a Hope hub with this modification can I still tension my chain?

Posted by Gordon Tan

Reply from TartyBikes

Hi Gordon
You don't need to use snail cams or a tensioner with this modification. The 10mm bolts have enough tension to firmly hold the wheel in place and keep the chain tensioned without them. To tension the chain, you pull back the wheel in the dropouts, centre it then tighten the bolts as normal, this gives the correct chain tension for this set up.
If you do want to use snail cams, some bikes will allow you to fit them on the outside of the frame. If you are not sure if this is possible with your frame, get in touch, and we can advise you.
Ben

Robin Lehnert

Hey guys! Itís not possible to ride the hub in the clean K1 worldcup edition, right? Best regards from Germany, Robin. :)

Posted by Robin Lehnert

Reply from TartyBikes

Thanks for your question!
The rear hub spacing / axle fitment of the Clean K1 bikes is fairly unique amongst Trials bikes, but we have modified hubs to fit these frames, so it can be done. This would be a special service which isn't listed on our site, so if you're interested in having a Hope Pro 4 or Industry 9 Hydra hub modified to fit a bike with different spacing than 116mm, email us at tartybikes@gmail.com, and we are always happy to discuss a custom machining service in more detail.
Ben

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  • Tel. (UK). 01772 32 33 33
  • Tel. (Intl). 0044 1772 32 33 33

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