Why does my water bottle rattle on my bike?
Rattles tend to mean that something isn’t tightened down well enough. Cassette cogs can rattle on the freehub when the lock ring isn’t tightened down sufficiently. Water bottle cages rattle if the bolts are loose.
What can I do to fix my bike at Park tools?
Park Tools’ Repair Help including illustrated text and video guides to service procedures. Cold Setting Steel Frames: adjusting the dropout spacing on a old frame to fit a more modern drivetrain. A comment with an overview and links to more information.
Why do my brake pads rattle on my bike?
Disk brake pads can rattle in the caliper if the retaining spring breaks, and the whole caliper will rattle if it isn’t tightened down properly. Cable housing or runs of bare cable can rattle against the frame. Accessories such as lights can rattle against their mountings, and the batteries inside them can rattle too.
How can I tell if my bike has a loose headset?
It could also be a loose headset, which can be diagnosed by turning the front wheel to point left or right, holding the front brake on, and then rocking the bike backwards and forwards. Hold your fingers between the steerer tube/stem and the frame. Any movement indicates that you need to tighten the headset.
What happens when you tighten the pedals on a bike?
If the pedals threads are over tightened, the threads in the crank may fail or “strip” (figure 1). It may also occur that if the pedal was under tightened, and the bike is used, the pedal axle will wiggle and move in the threads. This can also ruin the crank threads as the pedal works its way out of the crank and falls off.
How big is the thread on a bicycle pedal?
Bicycle pedals are commonly a 9/16″ x 20 threads per inch. The inside diameter of the internal thread (the “nut”) must be smaller. Measured in millimeters, the OD of the pedal is typically 14.2mm. For cranks the internal thread is nominally 13mm. This allows overlap of the thread.
What causes a bike to creak when left unattended?
Damage to component parts may result if they are left unattended. Creaking is usually caused by two things rubbing together, such as a crankarm rubbing on a spindle. Many of the solutions below rely on adequate torque on the parts. See also an article on Bicycle Torque Specifications.
Is it possible to repair a pedal bushing crank?
One repair option is of course to replace the crank. However for some cranks it possible to use a pedal bushing thread repair system. NOTE: This repair works best with cranks make of solid aluminum. This repair is not recommended for hollow arms or carbon fibers cranks. Figure 1.