Watch out, here I come!Bicycle bell in cowbell format

Matthias Borchers

 · 15.04.2026

Zéfal Trail Bike Bell
Photo: Zéfal

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The Trail Bike Bell is a brass bell with a switchable warning signal, designed for gravel and mountain bikes. The bell can be switched with a lever between active continuous ringing for unclear terrain and silent mode. The screw fastening fits handlebars from 22.2 to 35 mm in diameter. The bell weighs 106 grams.

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The bell is made for mountain and gravel bikers who are travelling on shared trails and hiking paths. The brass bell produces a clear sound that resonates longer than conventional bicycle bells, says Zefal. Hikers, joggers and other trail users should be alerted to approaching cyclists at an early stage.

Two operating modes

A lever on the housing controls the function. In the upper position, the bell rings continuously and warns in areas with restricted visibility. In the lower position, the lever blocks the clapper so that the bell remains silent. You can switch between the two modes with one finger while driving.

Mounting and compatibility

The screw fastening uses the supplied adapters for handlebar diameters from 22.2 to 35 mm. The system fits straight MTB handlebars and road bike handlebars with a round profile cross-section. The mounting prevents the bell from twisting on uneven surfaces.

Technical details

The bell measures 32 x 75 x 75 mm and weighs 106 grams. The housing is made of polyamide and the bell is made of brass. Stainless steel and thermoplastic elastomer are used for other components. The colour is black. Price: 29,95 Euro >> available here.

Matthias Borchers is an expert for clothing and accessories in the test department of TOUR. As an amateur cyclist, he has completed the TOUR-Transalp and the TOUR-Trans Austria. His reportage trips from San Francisco to Sakai and 17 trips to the Tour de France with around 30,000 motorhome kilometres are also formative.

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