Slide Show: Bike Fit
This slide show is in PDF format. You will need Adobe Acrobat Reader to view this slide show.
Adobe Acrobat Reader is a free program.
The PDF file size is 5 megabytes.
This slide show includes a notes section (scroll over the icon in the top right hand corner)
Presenting the complete slide show will take about 45 minutes.
You can view and print this version, but you cannot modify it.
Download the free ABC article Take the Bike Fit Quiz. Slides referencing the quiz questions are included.
Read the information on the copyright page.
● The presentation reviews the principles in the book Bike Fit.
● The book Bike Fit is available at a discount for groups.
The book Bike Fit is about general bicycle fit for road and mountain bike riding.
It also covers fit specifics for recreational, climbing, sprinting, time trialing, and cross-country mountain biking.
Bike Fit Rules-of-Thumb Summary
These and other bicycle fit elements are discussed in detail throughout this book.
There are numerous exceptions to almost all rules of thumb.
● Frame Size
Road: 2/3 inseam.
Mountain: subtract 14 from inseam in inches.
Inseam to 31 inches: 170 mm.
Inseam 31 to 33 inches: 172.5 mm.
Inseam 33 or more inches: 175 mm.
● Foot-Pedal Fore-Aft
Ball of foot over pedal spindle.
● Saddle Shape and Angle
Choose shape for comfort.
● Seat Height
Bend knee 30° at bottom of pedal stroke.
● Seat Position Fore-Aft
Front of knee and pedal spindle in vertical line.
● Foot/Pedal Rotation Angle
Point toes the way you walk.
● Handlebar Width
Road: width of the shoulders.
Mountain: hands slightly wider than shoulders.
● Handlebar Shape
Select for comfort and riding style.
● Brake Levers
Tips in line with handlebar drops.
● Handlebar Angle
Point ends to middle of seatstays.
● Stem Height
Handlebar tops to fist width below saddle.
● Torso Angle / Reach
Stem extension, height, and rise set comfortable torso angle.
● Shoulder Angle
90° with hands on hoods and elbows bent 15°.
Below is a sample slide from the show.
Click on the image to enlarge it.