knog. Oi Prima

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Product details

The revised hammer design ensures a more even sound and a slightly higher volume of 80 decibels. The Oi Prima fits most handlebars on the market. Simply slip it over the handlebars, tighten the hexagonal screw and you're ready to go. A practical cable management system is integrated into the holder. Lightweight, unobtrusive and space-saving. Small 22.2 mm.

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Bike bells» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 12.BBB
    0.3 %
  • 12.Crane
    0.3 %
  • 12.knog.
    0.3 %
  • 12.Rockbros
    0.3 %
  • 16.Disney
    0.4 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.BBB
    0 days
  • 1.knog.
    0 days
  • 1.M-Wave
    0 days
  • 1.Micro
    0 days

Return rate

How often is a product of this brand in the «Bike bells» category returned?

Source: Digitec Galaxus
  • 21.Widek
    2.2 %
  • 22.Timber!
    2.4 %
  • 23.Basil
    3 %
  • 24.knog.
    3.5 %
  • 25.Crane
    5.3 %
Source: Digitec Galaxus

Translation: machine translated
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RoadBIKE Logo
RoadBIKESingle testReleaseSeptember 2025

Small part, big effect: Knog has redesigned its popular Oi bell and equipped it with a new mechanism. The spring has been moved inwards, the lever has become longer, is now made of elastic, nylon-reinforced material and, when activated, hurls the metal clapper at the sound body with a vengeance. Knog promises 80 decibels. Available in various diameters and colours. Cost: 30 euros.

This test report belongs to a different type: Oi Prima L