KNOG Oi

(3094 customer reviews)

$19.40

  • A new kind of ring- high-pitched ring cuts through traffic noise, while the deep harmonic adds long, clear tones
  • 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. HAMMER TYPE: Spring loaded plastic hammer
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Based on 3094 reviews

4.0 overall
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  1. BostonEngineer

    Confession: Skepticism gnawed at me when I first considered the KNOG Oi bicycle bell. Online whispers of “not loud enough” fueled my doubts, making me hesitant to abandon my trusty (albeit clunky) bell. But curiosity, coupled with a yearning for a sleeker aesthetic, won the battle. Let me tell you, that little “gong” surprised me in the best way possible.

    The Oi’s design is pure minimalism and elegance, practically vanishing on your handlebars. But don’t let its good looks fool you. This bell delivers a crisp, clear “ting” that’s more than enough to alert pedestrians and fellow cyclists. It’s not an ear-splitting clanger, but a pleasant, attention-grabbing chime that gets the job done without unnecessary drama.

    Here’s the key: don’t over-tighten it! The magic lies in the outer metal piece vibrating freely. Give it just enough snugness to stay put, and you’ll be rewarded with a lovely resonating ring. As for the “touching anything else” warning, a quick installation check ensures the bell has ample clearance, and you’re good to go.

    The Oi transcends mere functionality, becoming a conversation starter. Its unique design draws curious glances and compliments, making it a stylish accessory that complements your ride, not detracts from it. Plus, the high-quality materials and construction scream durability, so you can rest assured this little gong will be serenading fellow riders for years to come.

    So, if you’re seeking a bicycle bell that’s both stylish and effective, ditch the bulk and embrace the minimalist magic of the KNOG Oi. It might not be the loudest bell on the block, but its pleasant chime, sleek design, and high-quality build make it a 5-star winner in my book. Don’t be afraid to take a chance on this little gem – you might just be surprised how much you love it!

    BostonEngineer

  2. jakbra

    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.

    jakbra

  3. Gill Reynolds

    I really like the look and the ease in which this fits to the bike. I made one interesting observation, the sound this bell makes is very similar to either a Text message or Whatsapp audible alert made by an Iphone. I found this out on the Pennine Bridleway on my first outing, as I approached a couple of walkers I rang my bell and to my surprise both the walkers stopped and got out their phones. Now I give my bell a couple of dings when approaching walkers 🙂

    Gill Reynolds

  4. Michael Walden

    I have had this bell for a year and a half on my road bike. I am mostly riding on roads (so not using a bell then), but at least once a week I am on a local rail-trail (cruise at 15 – 17 mph when possible). This works great and can be heard much better/from further away than me saying ‘on your left’. It does have to be set up correctly to give a good sound, and I would say the weakest part is the lever/spring mechanism. I had to adjust that at some point after a think I stretched the spring when moving the bike or washing it.

    Pros: Sound, takes little space on the handlebar, blends in well with rest of bike, easily installs around cables
    Cons: lever durability

    I have a second bike now needing a bell and will likely go again with the Knog Oi Luxe Bike Bell which is a bit more expensive, but has a metal ring-lever

    Michael Walden

  5. MD

    Good for drop handlebars, where traditional bells may be hard to install.

    MD

  6. Rob

    Zou nochtans moeten passen volgens de stuurdiameter maar helaas.

    Rob

  7. D. Stanton

    Have spent a week with this bell. For some background, I’m a casual road and mountain biker. My rides usually last 2 to 6 hours. I’ve always had a bell on my mountain and road bikes.
    I love the design of this bell, but it is just about useless to me. On road rides, cruising at 15 mph the bell is virtually inaudible to riders more than 8 feet away. I believe this is because the bell is lower frequency and does not have a punchy ring when hit with the striker This seems to cause the ring to get lost in background wind noise. Add to this the suspension of the bell itself is very springy. So much so that on a reasonably rough road surface the bell is constantly making a little ding.ding.ding.ding.ding noise. You also have to be very careful to keep your hand away from the bell because any contact will mute it almost completely. The cable relief in the band is a neat feature, and is one of the reasons I bought the OI brand. However, if your cables come out of the tape on the front of the bar instead of the bottom the bell striker will be rotated very far down on the bar. Due to the design this is fixed and cannot be adjusted on the bell…

    After noting the constant dinging on a semi-rough road I’m not even going to try it on the mountain bike….

    Pros: Really slick look
    Cons: Not loud, Have to be careful where you touch it, Cable routing can cause bell to be forced into position where it is difficult to use, Minor vibrations cause bell to make noise.

    D. Stanton

  8. Guillaume

    Super design pour cette sonnette. Elle est aussi légère.
    Attention, en grande taille, elle ne va qu’au niveau de la potence sur un cintre de VTT.
    D’autre part, le marteau est en plastique, donc fragile, il faut en prendre soin : ce n’est pas forcément adapté pour un enfant.

    Guillaume

  9. David Leduc

    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.

    David Leduc