Trivel E-Azteca - Braking and Riding Sound Issues; Handling and Flat Tire Solutions

P. 66 — User manual V3
Squeaking sound when braking  Disc rotor is wet or dirty
 Brake pads are glazed or oil contaminated
 Brake pads are worn out
 Disc rotor is wobbling
 Disc rotor attachment is loose
 Brake caliper is loose
 Clean disc rotor
 Sand or replace brake pads
 Replace brake pads
 Align or replace disc rotor
 Tighten disc rotor attachment
 Tighten brake caliper bolts
Vibrations while braking  Loose headset bearings
 Brakes are not properly adjusted
 Brake pivots are loose
 Rim or disc rotor wobbling
 Front wheel not properly attached
 Rotor unevenly worn
 Adjust headset bearings
 Adjust brakes / Add an angle (toe-in)
 Tighten brake pivots
 Align or replace rim or disc rotor
 Align and tighten front wheel into fork
 Repair or replace rotor
Rubbing sound when riding  Brake pads are rubbing against rim or disc
 Rim or disc rotor is rubbing against brake pads
 Chain in crossed gear combination
 Object interfering with wheels or crank arms
 Adjust brake pads spacing
 Align rim or disc rotor
 Shift gear to another combination
 Remove interfering object
Creaking sound when pedalling  Loose or dirty bottom bracket
 Loose crank arms
 Damaged pedals bearings
 Chain is dirty or rusted
 Stiff chain link
 Chain tension too high (for single speed bike)
 Tighten and clean bottom bracket
 Tighten crank arms
 Fix or replace pedals
 Clean and lubricate chain
 Fix or replace chain
 Adjust chain tension
Poor handling  Headset bearings are too tight
 Wheels not centered in frame and fork
 Stem / handlebar is misaligned with fork
 Fork is bent
 Frame is bent
 Adjust headset bearings
 Center wheels in frame and fork
 Align stem / handlebar with fork
 Fix or replace fork
 Fix or replace frame
Frequent flats  Riding with a too low pressure (pinch flat)
 Sharp object stuck inside tire
 Damaged inner tube
 Damaged tire
 Rim tape not properly seated on rim
 Increase tire pressure
 Remove and fix or replace inner tube
 Fix or replace inner tube
 Fix or replace tire
 Reposition rim tape