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Oi - The Revolutionary new bike bell

1 July 2016 11:28:09 AM AEST

Over the past few months since the end of the Oi Kickstarter campaign, we’ve had our heads firmly down and kept partying to a minimum as we concentrate on bringing  these Oi bells to life.

Busy testing materials, engraving bells and sampling packaging designs, in April we were proud to receive our first off tool sample Oi bike bells (see below). After receiving these samples, we spent the following month re-testing the bike bells, testing the springs, hammers, ringers and making small design tweaks to ensure we were totally happy with the bells performance before commencing sample production.

sample oi bells

First Oi Samples

bell hammers and mounts

engraved oi bike bell

Engraved Titanium Oi bell


May / June saw us develop the tooling for the Oi, refine CNC processes & even send Chris (the main man behind the CAD machine) to oversee production of the very first Oi production samples.

chris production

 A stoked Chris

With Chris honing the development and production processes of the Oi, we were able to complete our very first Oi prototype bells and ship out to our global product testers (who are currently belting these bells to within an inch of their lives) . 


Oi Tooling

oi bell production

bell moulding

oi bell in packaging


With testing firmly under way, and all going well, we will be entering production for the Oi Kickstarter models later this month with delivery scheduled for mid/late August. Retail models of the Oi bells are due to land in stores and online by the end of September. 

Stay tuned for further Oi updates... 

If you missed out on the Kickstarter then, sign up here to be one of the first to know when these bells are available online

sign up for oi btn


For now, enjoy watching this somewhat disturbing video.

Posted in Accessories By Knog

Red Hook Crit Brooklyn

2 May 2016 12:00:00 AM AEST


Congrats to these champs >> Team Cinelli Chrome for their awesome performance at the Brooklyn Red Hook Crit & to big man Bruzza for taking over the Knog Instagram account. Stellar job sir!

Posted in Events By Knog

smack in da middle v

19 April 2016 11:59:50 AM AEST

smack da middle

Smack in da middle is back! Fresno's finest bike polo tourney is happening April 23-24.  Get the event deets & prize info here.  Be there.

Posted in Events By Knog

How to measure the diameter of your handle bar

18 April 2016 1:50:19 PM AEST

Handlebars come in all weird styles and sizes, but we’re here to help make choosing the right size Oi bell for your bike(s) easy. After all bell size does matter!

Watch this video to understand where & how to attach your Oi bike bell.

Measuring bar diameter

The easiest way to measure those handle bars is with a set of digital or vernier scale callipers.

measure your road bar diameter

measure handlebar with verniers


If you don’t have callipers then you can use a simple measure tape. Just wrap around the bar at the point you want to attach the Oi to get the circumference size and then divide by pi (….mmm) to get your diameter e.g. 99.9mm / 𝜋 = 31.8mm.

measure handlebar road

measure handlebar with tape


If you have no tape, then use a piece of paper (or string). Same as above, just wrap the paper around the bar at the point you want to attach the Oi, make a mark with a pen where the paper intersects and then measure against a ruler. This will give you the circumference and to get the diameter just divide by pi. Easy.

measure bar without tape

measure your circumference

measure handlebar with paper

measure your circumference 22


Most of the time the area you'll be attaching the bell to will be either 22.2, 25.4 or 31.8mm and can generally be separated in to the below categories. 

-  Road Bike – Handlebars generally come in two clamp sizes 26mm (older style) and the newer ‘oversized’ 31.8mm. The area where you attach the Oi bell will most likely be either 25.4mm or 31.8mm. 

-  Commuter/Cruiser Bikes – These handlebar sizes do vary due to the wide variety of styles, however most bar sizes would be either 25.4 or 31.8mm

-  Mountain Bikes – Handlebars generally come in two clamp sizes 25.4mm (older style) and the newer ‘oversized’ 31.8mm. On some bars there will be a bulge in the middle and the bars will thin out towards the brake levers. If you want to attach your bell here, then please make sure you measure as it could mean you move from a large sized bell to a small. For instance the grip area on some of these bars will be 22.2mm, whereas the bulge is 25.4mm.

-  BMX – Always 22.2mm.

Tip : 
- If your handlebar is any bigger than 22.2mm then you will need to choose the larger sized bell. The Larger Oi will come with shims that will allow you to attach the bell to bars 23.8, 25.4 and 26mm.
- If your handlebar in the middle looks 'normal sized', it's probably 25.4mm.
- If your handlebar looks overly big in the middle, it's probably 31.8mm. 


For further info check out this great guide >>

Posted in Accessories By Knog

Ready, Set, Roll....

1 March 2016 5:53:50 PM AEDT

treadlie bike hub 1 600

treadlie bike hub 2 600

treadlie bike hub 3 600

treadlie bike hub 4 600

Nestled within the Sustainable Living Festival ‘Big Weekend’ from 12-14 February, the Treadlie Bike Hub returned for 2016 with everything you need to fuel a life on two wheels. From stalls to workshops and roller races (where winners were bathed in a sea of Knog prizes).

Check out some of the great pics from this years HUB. 

Posted in Events By Knog

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