Cyseekin E-Bike Blog

Person prüft den festen Sitz eines Vorderrads mit Steckachse

Check the bicycle thru-axle: Securely fasten the wheel

After transporting or removing the wheel, checking the thru-axle correctly is essential. Check the system, wheel seating, lever, threads, and torque—without relying on universal values.

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Person kontrolliert die Lauffläche eines Fahrradreifens auf Verschleiß

Worn bicycle tires: How to recognize wear and replace them

Tread alone doesn’t determine everything when it comes to a bicycle tire. Check the casing, puncture protection, TWI, wear pattern, and damage before continuing to ride or replacing the tire.

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Person prüft die Bremsbeläge einer abgekühlten Fahrrad-Scheibenbremse

Bicycle Brake Pads Worn Out: How to Safely Recognize Wear

Brake pads do not reach the same measurement for every system. Here’s how to distinguish disc and rim brakes, recognize stop signals, and check them correctly.

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Person zeigt auf den engen Spalt zwischen Vorderreifen und Schutzblech

Fender rubbing against the tire: systematically identify the cause

If the mudguard is rubbing, first check the wheel, tire, and any foreign objects. Then check the stays, clearance, and designated adjustment points.

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Durchhängender unterer Kettenstrang an einem abgestellten Singlespeed-Rad

Bicycle chain sagging: Find the cause based on the drivetrain system

Chain slack has different causes with derailleur gears, hub gears, and single-speed bikes. Here’s how to safely check the guide, tensioner, and wheel position.

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Person kontrolliert den Sitz eines Fahrradreifens an der Felge

Bicycle tire not seated correctly: Check the bead and rim seat

An uneven tire bead can cause a bulge or radial runout. Here’s how to safely check the size, inner tube, rim tape, and molding line.

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Person prüft beide Kurbelarme an einem Fahrrad im Montageständer

Loose bicycle crank: assess the play and prevent damage

Noticeable crank play calls for a stop. Here’s how to distinguish between the pedal, crank arm, and bottom bracket and avoid tightening the wrong component.

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Person prüft ein ausgeschaltetes Display an einem abgestellten E-Bike

E-bike display won’t turn on: Check the external power supply

If the e-bike display stays black, safe external checks of the battery, charging process, control unit, and cables can help—without opening the housing.

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Radfahrer prüft eine gerissene Kette am sicher abgestellten E-Bike

Bike chain broken: Stop, inspect the damage, plan your way home

If your bicycle chain breaks, stopping safely comes first. Here’s how to check for consequential damage, assess an emergency repair, and plan your journey home.

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