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Knog N6011980 Oi Aluminium Bike Bell, Large/31.8mm, BlackMerchant Video
  • Knog N6011980 Oi Aluminium Bike Bell, Large/31.8mm, Black
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Knog N6011980 Oi Aluminium Bike Bell, Large/31.8mm, Black

4.0 out of 5 stars 3,080 ratings
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Purchase options and add-ons

Colour Black
Size Large/31.8mm
Brand Knog
Material Aluminum
Style Classic
Item weight 0.05 Pounds
Mounting type Handlebar Mount
Maximum Compatible Size 22.2 Millimeters
Minimum compatible size 22.2 Millimeters
Product Dimensions 9L x 2W x 9H Centimetres

About this item

  • A new kind of ring-high-pitched ring cuts through traffic noise, while the deep harmonic adds long, clear tones
  • Premium materials-cnc-machined 7075 aircraft-grade aluminum ringer and a strong, high-tensile stainless-steel spring is corrosion resistant
  • Easy mounting-mount opens over the handlebar, so there's no need to slide it on; tightens with a single hex screw (Allen key included)
  • Cable management-the cable management system gathers your cables without hindering the performance of the bell
  • Sizing-small fits 22.2mm, large fits 31.8mm bike bars; make sure you know where you want to place the bell to choose large or small size

Product information

Technical Details

Product Dimensions ‎9 x 2 x 9 cm; 22.68 g
Item model number ‎11980
Is discontinued by manufacturer ‎No
Colour ‎Black
Size ‎Large/31.8mm
Style ‎Classic
Height ‎2 Centimetres
Length ‎8 Centimetres
Weight ‎0.06 Kilograms
Width ‎8 Centimetres
Material ‎Aluminum
Number of Items ‎1
Sport ‎Cycling
Included Components ‎Bike Bell^2 spacers^allen key
Batteries Included? ‎No
Brand ‎Knog
Item Weight ‎22.7 g

Additional Information

ASIN B01KLKOM4I
Customer Reviews
4.0 out of 5 stars 3,080 ratings

4.0 out of 5 stars
鶹 Rank
Date First Available Sept. 8 2016
Manufacturer Knog
Place of Business TEMPE, AZ, 85281 US

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Knog N6011980 Oi Aluminium Bike Bell, Large/31.8mm, Black

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Product description

The Knog oi redefines bike bells. No more of the plain looking and unpleasant sounding bells we've become complacent with; Knog brings you a bell with a beautiful tone, remarkable style and impeccable choice of materials that embodies a rider's personality. The shape originates from the handlebars and was diligently tested to get the optimum width, depth, curve and overall design. The strike of the bell is Firm and fast, allowing an excellent balance of volume and longevity to the sound, with a chord like layering of pitches. The cable management system keeps your handlebars nice and tidy, complementing the tasteful style of the oi. The small oi fits 22.2M bars while the large fits 31.8mm bars, so please make sure to double check the size of your bars and also the positioning you plan to use to ensure that the fit will be correct.

From the manufacturer


The Oi Small

The Knog Oi is available in two sizes, large and small. The large fits 31.8mm bike bars and the small fits 22.2mm bike bars.

The Oi Bell

Redefining the Bike Bell

With a standout design that tucks stealthily close to your bars, the Oi is a unique way to add some noise potential to your bike. Knog has removed everything that has contributed to the dusty image of bicycle bells and replaced it with an innovative bell that projects a bright, crisp, ear pleasing sound, all while hovering cleanly around your handlebars. The aluminum surface of the Oi is available in 4 different color variations.

  • Stainless Steel, High Tensile Spring
  • Aircraft Grade Aluminum Ringer
  • Reinforced Nylon Mount
  • M4 Hex Screw Tightener

Features

Innovative Style

The Oi bell's shape originates from its home - the handle bar. Knog’s design team explored hundreds of iterations in designing the style. Then tested and prototyped different widths, depths, materials, curvature, actuators, springs and more to get to the optimum design. Where bells usually protrude up or out, Oi doesn’t. It appears to hover around the handle bars. In one sense, it's discreet. But in another, it stands out as unrecognizable.

Cable Management

What about the handle-bar cables? No worries. Built into the shape of the mount is a cable management system. So not only does it allow the bell to look and sound uninterrupted, it also helps gather your cables. What about getting it on the bar. Again, not a thing. Just pop it over, give the hex screw a quick tighten up, and you're good to go. No sliding down the handlebars, no dismantling and re-assembling.

Clear, Cutting Sound

Knog tested numerous prototypes to get the perfect pitch, length of ring, and volume. With a spring-loaded actuator built into the mount, the strike of the bell is firm and fast, allowing a good balance of volume and longevity of sound. The bell actually has several pitch tones - one core and several supportive higher tones to ensure its unmistakable and safely heard. To compare it to a musical instrument, where some bells play a single note, Oi plays a chord.

Refusing to conform to anyone or anything

Knog is out there every day smashing the main roads, rolling softly through the back country and being attuned to global sub-cultures which is the source of Knog’s inspiration. It's what drives them to consistently deliver fresh and innovative products that enable riders, walkers and urban adventurers around the world to discover their own sense of freedom, have fun, and live in the moment.

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Customer reviews

4 out of 5 stars
3,080 global ratings

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Customers say

Customers like the design, performance, and compact size of the bicycle bell. They mention it has a pretty design, hardly stands out, and works well. However, some customers have reported that the build quality is disappointing and the bell is virtually unusable. Opinions are mixed on the sound level.

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DesignPerformanceCompact sizeSound levelBuild qualityReliability
16 customers mention "Design"16 positive0 negative

Customers like the design of the bicycle bell. They mention it's pretty, has a great layout, and hardly stands out.

"Looks good, sounds good. Only issue is the company I bought it from (North American Outfitters) shipped it stating "aluminum bike bell"...." Read more

"...They do however hear the ding ding of my little bell. It looks great on the bike and works as expected...." Read more

"Nicer design than cheaper models. Good sound, but this will not clear paths for you, it’s just a polite heads up...." Read more

"I like the look of this bell. It is very low profile so it doesn't "stick out" on my road bike. Unfortunately, it's not very loud...." Read more

6 customers mention "Performance"6 positive0 negative

Customers like the performance of the bicycle bell. They mention it works well, is loud, and achieves what it's required to do. However, some customers have reported poor performance.

"...It looks great on the bike and works as expected. I can see how some people have had issues with parts breaking. Just don't bang your stuff around...." Read more

"Works great and relatively small in size so doesn't take up a lot of space on the handlebars" Read more

"...The bell is loud and achieves what it's required to do. The only thing I cannot comment on yet is the longevity as it has only been a month." Read more

"Very sleek look and so far works well!" Read more

3 customers mention "Compact size"3 positive0 negative

Customers like the compact size of the bicycle bell. They mention it hardly stands out.

"...Compact, clean, discreet, I’ll put it on my high-end training bike to stay legal while not wrecking expensive sleekness with a garish gong...." Read more

"Works great and relatively small in size so doesn't take up a lot of space on the handlebars" Read more

"Compact and loud enough..." Read more

24 customers mention "Sound level"14 positive10 negative

Customers have mixed opinions about the sound level of the bicycle bell. Some mention it's nice loud and pleasant to the ear, while others say it's just not loud and people only hear the bell if they are within 5-8 meters.

"...In summary; great bell, would not have bought if I knew CBSA was going to open it." Read more

"...Unfortunately, it's not very loud. I have a more traditional bell on my old-school MTB and that is loud...." Read more

"Wonderful tone.... the ring resonates for many seconds... from a single flick of the tone-arm... Expensive but worth the cost times over..." Read more

"The design is nice but the bell is not very loud and sometimes it's hard to flick the dinger properly to make it ring." Read more

14 customers mention "Build quality"4 positive10 negative

Customers are dissatisfied with the build quality of the bicycle bell. They mention it's disappointing for the price point and has a rather flimsy construction.

"Hmmmm. Expected more from this. The bit you flick with you thumb is flimsy and turns so the corner of it hits the metal instead of the flat part..." Read more

"Very nice looking but is too quiet. Not worth the $$$. OK if you're really close to someone. Save your money and get one of the much cheaper ones." Read more

"...There is an updated version of this bell and the build quality looks sturdy." Read more

"...It’s not very loud. It also has a rather flimsy construction. I would not buy this again." Read more

7 customers mention "Reliability"0 positive7 negative

Customers are dissatisfied with the reliability of the bicycle bell. They mention it's virtually unusable, doesn't ring, and only works on average in 1 of 5 uses.

"Received Knog OI bell today. Bell does not ring. Can you imaging? Bell does not ring! Requested refund. Will send it back...." Read more

"Installed one of the bells on a Trek Checkpoint. The bell only worked, on average, in 1 of 5 uses...." Read more

"After a few dozen uses the spring is already bent and the bell is virtually unusable. The trigger mechanism needs a redesign." Read more

"...I find that on the flattest paved surface in my area the bell just ghost-rings like crazy from that small amount of vibration...." Read more

Really nice bell - CBSA got me / IMHO, not worth it.
5 out of 5 stars
Really nice bell - CBSA got me / IMHO, not worth it.
Looks good, sounds good. Only issue is the company I bought it from (North American Outfitters) shipped it stating "aluminum bike bell". Stating the metal type draws the attention of border services. They opened it and classified it under aluminum household articles and applied tax, not otherwise collected so that's fine. They didn't charge duty but they nailed me with a $9.95 handling fee. Total payable at the post office was $15.96. Regret buying? No but wouldn't have if I knew it was going to cost $57 (incl shipping). That handling fee was unexpected and a result of the shipping label stating aluminum. If they only said "bike bell", there would have been taxes but no handling fee. In summary; great bell, would not have bought if I knew CBSA was going to open it.
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Top reviews from Canada

  • Scott
    5.0 out of 5 stars Really nice bell - CBSA got me / IMHO, not worth it.
    Reviewed in Canada on June 3, 2017
    Verified Purchase
    Looks good, sounds good. Only issue is the company I bought it from (North American Outfitters) shipped it stating "aluminum bike bell". Stating the metal type draws the attention of border services. They opened it and classified it under aluminum household articles and applied tax, not otherwise collected so that's fine. They didn't charge duty but they nailed me with a $9.95 handling fee. Total payable at the post office was $15.96. Regret buying? No but wouldn't have if I knew it was going to cost $57 (incl shipping). That handling fee was unexpected and a result of the shipping label stating aluminum. If they only said "bike bell", there would have been taxes but no handling fee.

    In summary; great bell, would not have bought if I knew CBSA was going to open it.
    Customer image
    Scott
    5.0 out of 5 stars
    Really nice bell - CBSA got me / IMHO, not worth it.

    Reviewed in Canada on June 3, 2017
    Looks good, sounds good. Only issue is the company I bought it from (North American Outfitters) shipped it stating "aluminum bike bell". Stating the metal type draws the attention of border services. They opened it and classified it under aluminum household articles and applied tax, not otherwise collected so that's fine. They didn't charge duty but they nailed me with a $9.95 handling fee. Total payable at the post office was $15.96. Regret buying? No but wouldn't have if I knew it was going to cost $57 (incl shipping). That handling fee was unexpected and a result of the shipping label stating aluminum. If they only said "bike bell", there would have been taxes but no handling fee.

    In summary; great bell, would not have bought if I knew CBSA was going to open it.
    Images in this review
    Customer image
    22 people found this helpful
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  • Bigshowrenfro
    4.0 out of 5 stars Ding Ding get out of my way
    Reviewed in Canada on July 1, 2020
    Verified Purchase
    I am used to using an electronic horn on my bike but found people don't recognize the audible beep. They do however hear the ding ding of my little bell. It looks great on the bike and works as expected. I can see how some people have had issues with parts breaking. Just don't bang your stuff around. You don't need that much pressure to use it properly. There is an updated version of this bell and the build quality looks sturdy.
    4 people found this helpful
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  • Bobino
    5.0 out of 5 stars Better aesthetic, in the details.
    Reviewed in Canada on December 22, 2017
    Verified Purchase
    Nicer design than cheaper models. Good sound, but this will not clear paths for you, it’s just a polite heads up. Compact, clean, discreet, I’ll put it on my high-end training bike to stay legal while not wrecking expensive sleekness with a garish gong. I do believe the other reviews that found they could damage the pillar-spring below the striker — you can’t whale on the bell to make it louder, you can only draw the striker back for a mild ‘ding’. If you need to reach to joggers wearing headphones using mixed-purpose tracks, this ain’t that.
    6 people found this helpful
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  • Tim J Panowyk
    5.0 out of 5 stars Necessary safety device
    Reviewed in Canada on February 4, 2023
    Verified Purchase
    Works great and relatively small in size so doesn't take up a lot of space on the handlebars
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  • Vladlim
    1.0 out of 5 stars Bell Does Not Ring
    Reviewed in Canada on June 25, 2024
    Verified Purchase
    Received Knog OI bell today.
    Bell does not ring. Can you imaging? Bell does not ring!
    Requested refund. Will send it back.
    Do not waste money or time.
    Helpful
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  • David
    3.0 out of 5 stars “”You can ring my bell, ring my bell””... not really.
    Reviewed in Canada on October 30, 2020
    Verified Purchase
    Hmmmm. Expected more from this. The bit you flick with you thumb is flimsy and turns so the corner of it hits the metal instead of the flat part sometimes. The pictures looks money but feels China in your hands once you see the spring and cheap plastic thumb flicker thingy. Problem is, it’s still probably the best thing out there if you don’t want to look like a rookie bike nerd. ... hoping they improve with the next iteration. They totally can do better than this. It’s obvious. Looks like they cut corners to make bank.
    One person found this helpful
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  • 鶹 Customer
    2.0 out of 5 stars Not Very Loud
    Reviewed in Canada on December 1, 2020
    Verified Purchase
    I like the look of this bell. It is very low profile so it doesn't "stick out" on my road bike.

    Unfortunately, it's not very loud. I have a more traditional bell on my old-school MTB and that is loud. And the harder I push the lever the louder it is. With this one, the ringer is spring mounted and you pull it back and release. You can't vary the volume at all. It's all done by the spring. And, well, like I said, it's just not loud. I have to be nearly directly behind the person for them to hear me. And if they have headphones on, they won't hear me at all.

    It also has some issues with its usage. To "ring the bell" you have to use your thumb to pull back a small spring-loaded plastic lever and release it to hit the bell. The problem is it twists very easily so that the primary striking surface gets turned away from the bell. So then you have to fiddle with it to straighten it. And if you're trying to alert someone to your presence, you don't really want to have to be fiddling with the bell.

    I really wanted to like this bell as I really like how it looks. But I will be looking for an alternative.
    3 people found this helpful
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  • Felix E
    5.0 out of 5 stars So sleek!
    Reviewed in Canada on April 19, 2018
    Verified Purchase
    It does not stick out like some of the other bells I have owned. It is sleek and blends in well with the handlebar. The bell is loud and achieves what it's required to do. The only thing I cannot comment on yet is the longevity as it has only been a month.
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Top reviews from other countries

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  • David Leduc
    5.0 out of 5 stars Pleasant soft ring that seems to get people to move over.
    Reviewed in the United States on December 21, 2019
    Verified Purchase
    It's nice to have a bell that is so good looking. For certain it is a little fussy to install as it is a bit delicate. Just take your time and don't handle it roughly.

    The little trigger seems like it could have a problem with longevity. So that could be a negative if it breaks. If you want it to ring loud enough for people to hear, you have to pull back farther which might mean it might eventually break. I've used on a number of rides so far and it's nice. I don't anticipate it breaking anytime soon.

    As far as reviews saying it if not loud, they are accurate. As a positive, it is kinda nice to not be loud so you don't come across as obnoxious and annoying. If you slow down and pass walkers and joggers slower, then the ring is very effective. It does work. It seems that people respond nicely moving over with a pleasant ring. If you slow up a little, you might as well say hello as you pass.

    You can not ring it hundreds of feet away and ride by pedestrians at 20 mph and expect this to work. They will not have enough time to respond if they even hear it. So if you ride like a jerk, you might be better if with something more obnoxious. Probably better to not be a jerk and realize the trail is not just there for you.

    I ride on a lot of trails where there are people walking and running. A little ring seems to be working well. Everyone responds by moving over making sharing the trail work for both cyclists and pedestrians. I wish it were a little louder however bring softer has a benefit.
    Report
  • Toh Yit Ming
    1.0 out of 5 stars I wanted to love this product, but the quality is poor and it is over hyped
    Reviewed in Singapore on July 26, 2021
    Verified Purchase
    I wanted to love this product, i really do… but the quality of this product is poor and this is over hyped… it is not loud on the street..

    the hammer dropped off when I was cycling last week… not this is just a useless fancy cable retainer on my bike…
    Report
  • jakbra
    3.0 out of 5 stars Za popularnością nie zawsze jakość idzie w parze.
    Reviewed in Poland on August 2, 2024
    Verified Purchase
    Dzwonek ładnie komponuje się na kierownicy, to fakt, ale mógłby być co najmniej 2× głośniejszy i trwalszy. Po paru miesiącach jazdy w najróżniejszym terenie pękła jedna ze sprężynek mocujących dzwoniący element i klops.
    Report
  • MD
    5.0 out of 5 stars Pricy but cool
    Reviewed in Sweden on May 22, 2024
    Verified Purchase
    Good for drop handlebars, where traditional bells may be hard to install.
    Report
  • Dhr. Teunen
    1.0 out of 5 stars Snel kapot
    Reviewed in the Netherlands on November 6, 2023
    Verified Purchase
    Snel kapot. Twee bellen gekocht, twee verschillende gebruikers, twee keer hetzelfde defect. Wil item retourneren maar dat is niet eenvoudig via 鶹 merk ik.
    Customer image
    Dhr. Teunen
    1.0 out of 5 stars
    Snel kapot

    Reviewed in the Netherlands on November 6, 2023
    Snel kapot. Twee bellen gekocht, twee verschillende gebruikers, twee keer hetzelfde defect. Wil item retourneren maar dat is niet eenvoudig via 鶹 merk ik.
    Images in this review
    Customer image
    Report