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White Industries ENO Trials

Product code: 77


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White Industries ENO Trials


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- Very high quality freewheel designed specifically with trials riding in mind.
- Uses 1.375" x 24 tpi thread. Please note that this is slightly larger than standard 1.37" and we recommend at least 9 threads of contact between crank arm and freewheel to prevent the crank arm thread from being stripped.
- 72 engagements ensures very low take-up distance when pedalling, making the bike more responsive and lively.
- Fully sealed bearing system increases the smooth running life of the freewheel, making it vastly out-live its competitors.
- Deep 36t ratchet gives excellent strength and durability.
- Two sets of 3 pawls engage at a time to give an engagement every 5 of rotation.
- Enclosed pawl and spring pivots mean they cannot come out of place and foul the engagement of the mechanism.
- Individually active pawl springs (more accurate and reliable engagement).
- High quality case-hardened and then plated steel for ultimate durability and strength.
- All parts available separately, so this is a completely re-buildable freewheel. Should any part break, it can be fixed!
- Available in 18t, 20t and 22t.
- Weight: 199g (18t), 217.5g (20t), 221.2g (22t).

Overall Thickness: 18.50mm

Additional Information

All spare parts available separately and in stock, check out the Freewheel Spares category for info.

Can be used on the rear as long as you have a hub with standard 1.37" x 24 tpi thread and the freewheel's thickness will clear the dropout of your frame.

Always ensure the lockring is kept tight, failure to do so may limit chances of any warranty replacement being issued. If you need help with how to do this then just give us a call!

Freewheel sound level:

All freewheels tested under similar conditions. Please note that the sound level of a freewheel may change after bedding in. A 10 dB increase in sound level is approximately equivalent to double the perceived volume.



Hi, I have a 26inch block flyer 2018 and a mike buff 29inch pk ripper 2018 What eno models do I need for them both? Cheers


Reply from TartyBikes

Hi Paul!
We aren't particularly familiar with these bikes, but from some research online it sounds like the 26" Blocks Flyer comes with a 17t freewheel, and the 29" Ripper comes with a 15t freewheel. It would be worth double checking with your own bikes to make sure that they're the same as that just to be sure.
If they are, unfortunately we don't have any ENO Trials freewheels that will be quite right. The smallest size we have available is 18t, although we do have the standard ENO freewheel available in 16t and 17t here.
If your 29" bike has a 15t freewheel then I'm afraid we don't stock freewheels to suit that size, sorry. A 15t freewheel requires the use of a hub with the micro-drive thread size, and all of our freewheels are for the larger standard thread size.
Hopefully this helps - if you have any more questions, feel free to ask!


Write a review


Based on 2 customer ratings


The BEST freewheel!!

Posted by Mickey

Some riders may not think much of this freewheel because it's old or doesn't have as many clicks of engagement. But let me tell you, I have had this freewheel for about 5-6 months and there has never been a glitch in all the time I have had it and if you are a rider that rides in all conditions like me you will love this amazing sealed barring freewheel. the only down side for me is only 72 clicks I would really like a 108 but because this freewheel has all those other amazing features the 72 is worth it. So if you are looking for a good freewheel GET THIS ONE!!!

Reply from TartyBikes

Hi Mickey - I'm glad you like the freewheel so much! Thanks for the detailed review.


very reliable !

Posted by Guy

It's long lasting freewheel! Very stable! And when you have it you can be calm.. now all you need is a good chain and you're safe from skipping

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  • © TartyBikes Ltd, 2019
  • Tel. (UK). 01772 32 33 33
  • Tel. (Intl). 0044 1772 32 33 33

TartyBikes Ltd, Units 3-4, Club Street, Bamber Bridge, Preston, PR5 6FN

  • Company No. 6131482
  • VAT. GB 860 0270 59

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