Home > Repair Help and Education

Repair Help and Education

Posts by repair@parktool.com

BB90, BB86, BB92, GXP Press Fit Bottom Bracket Service

The "Shimano press fit" standard is a bottom bracket system that does not use internal threading. Unfortunately there is no industry wide agreed upon name for this standard. The Shimano Company's name for the system is "Shimano Press Fit". The colloquial titles BB86, BB90 or BB92 refer to the no...

Inner Tube Repair

This article will discuss the patching of bicycle inner tubes. Both the pre-glued patches and the vulcanizing patches will be reviewed.

Adjustable Type Bottom Bracket Service

This article will discuss the service of adjusting bottom bracket bearings. It will also review the types of tools required. The basic concept for bearing adjustments is to get the bearings adjusted as loose as possible but without play. This can be done by purposely beginning with play in the ad...

New Bike Assembly

This article is a list of recommended procedures necessary for the assembly of a new bike from a bare frame to a completed bike.

Tire and Tube Removal and Installaton

This article will discuss the removal and installation of tires.

Cantilever Brake Service

This article will begin by discussing the brake lever, inner wire fitting at the lever, and brake housing. Caliper attachment to the frame, pad adjustment to the rim, and pad centering and clearance are then reviewed.

Linear Pull Brake Service (V-brake style)

This article discusses the proper servicing and maintenance of linear pull brakes.

Chain Installation - Derailleur Bikes

This article will discuss the removal and installation of chain on derailleur bicycles.

Bicycle Assembly Procedures

This article will address the assembly of new bicycles. Proper assembly will prevent future problems and will add to the bikes performance. While there are different systems for assembly possible, it is important to stick to one system and be consistent in how you work. The list below will refer ...

Torque Specifications and Concepts

This article will discuss the basics of torque and torque wrench use. See also related article on Basic Thread Concepts. This article includes a table of various torque recommendations.

Threading Fork Steering Columns- FTS-1 use

This article will discuss the FTS-1 Fork Threader and how to properly use it to... thread forks.

Wheel and Rim Truing

This article will discuss the truing of the common spoked bicycle wheel.

Headtube Reaming and Facing

This article will discuss the reaming and facing of the head tube.

Cassette and Freewheel Removal

This article will address the removal and installation of rear cogs on derailleur type bicycle, and of single speed freewheeling BMX/Freestyle bikes.

Hub Overhaul and Adjustment

This article will discuss the adjustment and overhaul of "cup-and-cone" hubs. These hubs allow for access to internal bearings and are adjustable.

Chain Length Sizing

This article will discuss sizing derailleur chain to length.

Star Fangled Nut and Expansion Plug Installation

This article will discuss installing and removing the "star-nut" into threadless fork steering columns.

Dial Indicator Use in Wheel Truing (TS-2di)

This article will discuss the use of the TS-2di dial indicator set for truing bicycle wheels.

Frame Alignment

This article will discuss frame alignment and the use of the Frame Alignment Gauge FAG-2.

Packing the Bike

This article will discuss the procedure for packing and boxing a bicycle for shipment. This often means taking apart various parts of the bicycle. Although disassembly is an inconvenience for re-assembly, it makes for a well-protected bicycle during transport. The safe transport of the bike relie...

Pedal Installation and Removal

This thread will discuss the correct procedure for installing and removing bike pedals.

Avid® Mechanical Disc Adjustment

This article will discuss the service and adjustment of the Avid® mechanical brake systems. For information on the disc rotor mounting and service, see Rotor Mounting and Service.

Dropout alignment (FFG-2)

40

Cartridge Bearing Type Bottom Bracket Service

This article will discuss the removal and installation of the common cartridge bottom brackets of the three-piece cranksets.

Brake Levers

This article will discuss the cable (inner wire) installation in brakes.