THE PARK TOOL SCHOOL

THREADED FASTENER TENSION & TORQUE
LUBRICATION, THREADLOCKERS, & CLEANERS
BEARING SYSTEMS
DIAGNOSING & SOLVING MECHANICAL PROBLEMS
TOOL SELECTION
TOOL USE AND TOOL FITTINGS
REPAIR STANDS
HOME SHOP SETUP
WORK PROCEDURES AND SAFETY

WHEEL REMOVAL
– Thru Axle Systems
REMOVAL OF TIRE & TUBE FROM RIM
INNER TUBE INSPECTION
– Cut at Valve Base
– Leaky Valve Core
– Large Shredded Hole
– Hole on Rim Strip Side of Tube
– Long Cut or Rip
– Single Puncture or Small Hole
– Double Slits
TIRE INSPECTION
RIM STRIP
INNER TUBE REPAIR
– Pre-Glued Patch Repair
– Inner Tube Repair with Self-Vulcanizing Patches
INNER TUBE SEALANTS
TIRE LINERS
TEMPORARY TIRE REPAIR WITH TIRE BOOT
INNER TUBE VALVES
TIRE & TUBE SIZING
INSTALLATION OF TIRE & TUBE ON WHEEL
TUBELESS TIRE SYSTEMS
– Tubeless Conversion Systems
WHEEL INSTALLATION
– Front Wheels with Disc Brakes and Open Dropouts
– Thru Axle Systems
– Solid Axle Types

CASSETTE SPROCKET REMOVAL & INSTALLATION
FREEWHEEL SPROCKET REMOVAL & INSTALLATION
SINGLE-SPEED SPROCKET REMOVAL
SPROCKET INSPECTION & CLEANING
FIXED GEAR SPROCKETS

HUB BEARING SERVICE FOR ADJUSTABLE CUP-AND-CONE TYPE
– Disassembly
– Parts Inspection
– Assembly
– Hub Adjustment
– Oversized Axle Service: Campagnolo® and Shimano®
– Hub Adjustment: Solid Axle Cup-and-Cone
FREEHUB REMOVAL & INSTALLATION
CARTRIDGE BEARING HUBS
– Freehub Bearings
– Assembly

WHEEL TRUING OVERVIEW
– Lateral True
– Radial True
– Rim Centering (Dish)
– Tension
TRUING PROCEDURES
– Lateral Truing
– Radial Truing
– Wheel Centering (Dishing)
– Spoke Tension
– Tension Relieving of Spokes
SPOKE TENSION BALANCE
BROKEN & DAMAGED SPOKE REPLACEMENT
WHEEL WEAR, DAMAGE, & REPAIR

SPOKES
HUB
RIM
SPOKE CROSS PATTERNS
WHEEL LACING
– First of Four Sets
– Second of Four Sets
– Third of Four Sets
– Fourth of Four Set
– Bring Wheel to Tension
WHEEL TO RIM TRANSFER

CRANK TYPES
CRANK REMOVAL & INSTALLATION
– Self-Extracting Crank Systems
– Three-Piece Cranks
– Two-Piece Compression Slotted Cranks
– Two-Piece Cranks Using Wave Washer
– Straight Spindle Cranks
– Stepped Spindle Cranks
– Two-Piece Crank: Preload Adjuster Ring
– Campagnolo® and Fulcrum® Ultra-Torque® Cranks
– Campagnolo® Power Torque® Cranks
– Specialized® S-Works® Cranks
BOTTOM BRACKET SYSTEM TYPES
– Threaded Standards
– Non-Threaded Standards
– PF41 (also known as BB86, BB89.5, BB92, BB107, BB121, BB132)
– BB90 and BB95
– PF42, BB30, BB30a
– PF46, PF30, PF30a
– 386EVO, 392EVO
– BBright®
BOTTOM BRACKET BEARING SERVICE FOR NON-THREADED SHELLS
– 30mm Spindle System Bearing Removal
– 28.99mm Spindle System (Dub™) Bearing Adaptor Removal
– 22/24 And 24mm Spindle System Bearing Adaptor Removal
– Press Fit Bearing Installation
– Press Fit Adaptors And Conversions
– Thread-Thru Bottom Brackets
– Campagnolo® Ultra-Torque® and Fulcrum® Bearings
– Campagnolo® Power Torque® Bearings
BOTTOM BRACKET BEARING SERVICE FOR THREADED SHELLS
– Threaded External Bearing Bottom Brackets for Two-Piece Cranks
– Threaded Cartridge Bottom Brackets for Three-Piece Cranks
– Threaded Adjustable Bottom Bracket Bearings
– Bottom Bracket Removal
– Bottom Bracket Installation
– Bottom Bracket Adjustment
CHAINRINGS
– Chainring Replacement with Mounting Arms
– Chainring Wear and Damage

CHAIN SIZING FOR DERAILLEUR BIKES
– Chain Sizing with Chain Retention System
– Chain Removal
NEW CHAIN INSTALLATION ON DERAILLEUR BIKES
– Shimano® Chains with Connecting Rivet
– Campagnolo® 11 and 12-speed Chains
– Setting or Peening of 11 or 12-Speed Coupling Rivet
– Chains with Quick Links
– Chains with Reusable Rivets
– Tight Link Repair
CHAIN SIZING AND TENSION ADJUSTMENT FOR TWO-SPROCKET BIKES
– Chain Length Sizing for Two-Sprocket Bikes
– Chain Tension for Two-Sprocket Bikes
– Chain Tension for Two-Sprocket Bikes With Chain Tension Idler Device
– Chain Tension for Eccentric Bottom Brackets on Tandems and Single-Speeds
CHAIN WEAR AND DAMAGE
CHAIN CLEANING
CHAIN LUBRICATION

PEDAL REMOVAL
PEDAL INSTALLATION
DAMAGE TO CRANK PEDAL THREADS
PEDAL BEARING SERVICE

CABLE SYSTEM
– Cable Housing Length and Routing
– Cable Lubrication
SHIFT LEVERS
– Flat Bar Trigger Shifters
– Twist Grip Shifters
– Above-the-Bar Shifters
– Drop Bar Integrated Brake / Shift Levers
– Down Tube Shifters
– Bar End Shifters
FRONT DERAILLEUR
– Derailleur Design
– Derailleur Cable Attachment
– Height Adjustment
– Rotational Adjustment
– Limit Screw Adjustment
– L-Limit Screw
– H-Limit Screw
– Front Index Adjustment: Three-Chainring Bikes
– Front Index Adjustment: Two-Chainring Bikes
– Shimano® Toggle Front Derailleurs
– Shimano® Long Arm Dual Cable Mount Front Derailleur
– Front Derailleur Performance
REAR DERAILLEUR
– Derailleur Capacity and Maximum Sprocket Size
– Derailleur Installation
– Derailleur Cable Attachment
– Limit Screw Adjustment
– H-Limit Screw
– Index Adjustment
– L-Limit Screw
– B-Screw Adjustment
– Clutch System Rear Derailleurs
CHAINLINE
DERAILLEUR HANGER ALIGNMENT & REPAIR
DERAILLEUR WEAR & SERVICE

SHIMANO® DI2® ELECTRONIC INTELLIGENT SYSTEM
– Levers
– Battery
– Front Derailleur
– Rear Derailleur
– Di2® Crash Feature
SRAM® ETAP®
– Levers
– Batteries
– Front Derailleur
– Rear Derailleur
FSA® K-FORCE® WE®
– Levers
– Battery
– Front Derailleur
– Rear Derailleur

SRAM® DUALDRIVE™
SRAM® I-MOTION® 9
SHIMANO® NEXUS INTER-7®, NEXUS INTER-8®, & ALFINE® HUBS

CALIPER TYPES
BRAKE PADS
– Brake Pad Removal and Replacement
– Pad Installation
DISC BRAKE ROTORS
HYDRAULIC BRAKE SYSTEMS
– Hydraulic Brake Levers
– Hydraulic Brake Caliper Alignment
HYDRAULIC BRAKE FLUID SERVICE
– Shimano® Hydraulic Brakes
– Magura® Hydraulic Caliper Brakes
– Hayes® Hydraulic Caliper Brakes
– Hayes® Bleeding
– SRAM® and Avid® Hydraulic Caliper Brakes
– Tektro® Hydraulic Brakes
MECHANICAL DISC CALIPER SYSTEMS

BRAKE LEVERS
– Upright Handlebar Brake Levers
– Drop Bar Brake Levers
CABLE SYSTEM
– Cable Housing Length
– Cable Lubrication
CALIPER RIM BRAKES
– Brake Pads
– Brake Pad Alignment
– Vertical Height Alignment
– Tangential Alignment
– Vertical Face Alignment
– Pad Toe
– Linear Pull Caliper Adjustment
– Cantilever Caliper Adjustment
– Dual Pivot Caliper Adjustment
– Direct Mount Rim Calipers
– Side Pull Caliper Adjustment

UPRIGHT HANDLEBARS
– Bar Ends
– Bar Grips
DROP HANDLEBARS (ROAD BARS)
– Clip-On and Aero Handlebars
STEMS
– Quill Stems
– Threadless Stems
SADDLES
SEATPOST

HEADSET TYPES
HEADSET SERVICE
– Threadless Headset Service
– Threadless Headset Adjustment
– Threaded Headset Service
– Threaded Headset Adjustment
HEADSET REPLACEMENT & INSTALLATION
– Headset Stack Height
– Pressed Headset Removal
– Pressed Headset Installation
– Fork Crown Race Installation
FORK STEERING COLUMN SIZING
– Threadless Steering Columns
– Star Nut and Compression Plug Installation
– Threaded Steering Columns

FRAME COMPONENTS
– Fork
– Head Tube
– Top Tube
– Down Tube
– Seat Tube
– Chain Stay
– Seat Stay
– Dropouts
– Bottom Bracket Shell
– Swing Arm
FRAME CONSTRUCTION & SERVICE
– Steel
– Aluminum
– Titanium
– Carbon Fiber

SUSPENSION FORKS
SHOCKS (REAR SHOCKS)
SUSPENSION LINKAGES

TOOL CHOICES
REPAIR PROCEDURES
– Flat Tire
– Cut or Ripped Tire
– Broken Spoke
– Dented Rim
– Broken Chains
– Chain Suck
– Twisted Chain
– Squeaky and Noisy Chain
– Rear Derailleur Shifting into the Spokes or Frame
– Derailleur Not Indexing Properly
– Broken Derailleur Body, Cage, or Hanger
– Missing Derailleur Pulleys
– Front Derailleur Cage Bent or Twisted
– Crank Falling Off
– Pedal Falling Off
– Bent Crank
– Bottom Bracket Loose or Falling Apart
– Broken Derailleur Cable
– Broken Brake Cable
– Twisted or Bent Handlebars or Stem
– Bent Frame or Fork
– Bent Saddle or Seat Post