Caleb MorganBy Caleb Morgan

Updated November 2026

The khs bike size chart is a starting point for matching your height to a frame size, but a chart alone rarely gets you to the right bike. In this guide you will learn how to read a typical KHS size chart, measure yourself accurately, and confirm the fit with a few simple checks. By the end, you will have a frame size you can order with confidence.

Understand What a KHS Size Chart Measures

Most KHS charts list frame sizes in inches, often with a matching rider height range and sometimes a recommended inseam range. Frame size usually refers to the seat tube length, measured from the center of the bottom bracket to the top of the seat tube. Some KHS models, especially road and hybrid bikes, may list sizes in centimeters or as letters such as S, M and L, so check the units printed on the specific model page before comparing numbers.

Shopping for one? See our guide: 5 Best Road Bike Shoe Size Charts (2026): Expert Picks.

Treat the chart as a range, not a fixed answer. If you fall between two sizes, the chart alone will not settle it, and the checks below will.

Measure Your Height and Inseam

Accurate measurements make the chart useful. You will need a wall, a flat book, a tape measure and a helper if possible.

  1. Stand barefoot against a wall with your heels about 2 inches from it and your back straight.
  2. Place the book between your legs, spine-side up, pressed firmly against your crotch as if you were sitting on a saddle.
  3. Mark the wall at the top edge of the book and measure from the floor to the mark. That is your inseam.
  4. Measure your standing height from the floor to the top of your head, keeping your head level.
  5. Compare both numbers to the KHS chart and note the size range each one falls into.

If your height and inseam point to different sizes, favor the inseam for most road and hybrid bikes, because it strongly affects standover clearance.

Check Reach and Standover Clearance

Once you have a likely size, confirm the fit on the bike itself or with the frame geometry listed on the KHS spec sheet.

Standover Height

Straddle the top tube with your feet flat on the floor. You should have roughly 1 to 2 inches of clearance for a road or hybrid bike, and a little more for a mountain bike. If the top tube touches you, the frame is too large.

Reach

Sit on the saddle with your hands on the handlebars. Your back should feel comfortably flat or slightly bent, not stretched or cramped. Many riders find that a slightly shorter reach is easier to adjust with a stem swap than a frame that is too small.

Confirm the Fit With a Short Test Ride

A parking lot ride tells you more than any chart. Pedal slowly, brake hard and turn tight circles. You should feel stable, with your knees clearing the handlebars and your weight balanced between hands, seat and pedals. Adjust saddle height so your knee has a slight bend at the bottom of the pedal stroke, then recheck reach.

Common Mistakes to Avoid

  • Choosing a frame size based on height alone and ignoring inseam.
  • Measuring inseam in socks or shoes, which adds height and skews the result.
  • Assuming a KHS size matches another brand’s size. Always use the chart for that exact model.
  • Buying a frame that is too large because you plan to grow into it. Standover and control suffer.
  • Skipping the test ride, especially with a new bike type or a first e-bike.

FAQ

Should I size my KHS bike by height or inseam?

Use both, but give extra weight to inseam, because it governs standover clearance. If the two point to different sizes, test ride both before deciding.

What if I am between two KHS sizes?

Try the smaller size first if you ride mostly for fitness, since reach is easier to adjust. Choose the larger size if you need more stability or plan long, relaxed rides.

Can I use the KHS chart for an e-bike?

Yes, the frame sizing logic is the same, but check the model’s weight limit and battery position too. A consultation with a local bike shop is worthwhile if you have a medical condition or mobility concern.

Conclusion

Use the KHS chart to narrow your options, then confirm with your inseam, standover clearance and a short test ride. A correct frame size makes every ride more comfortable and more controlled. Take your time with these checks, and you will end up with a bike that fits from the first pedal stroke.

Ready to choose one?

Caleb Morgan

About Caleb Morgan

Caleb Morgan is part of our editorial team and reviews and edits our cycling for beginners guides, checking product details against manufacturer specifications and owner feedback.