How do I measure torso length?

Sit upright on a chair against a wall. Measure from the chair seat to the top of your sternum (the V-shaped notch at the base of your neck).

How do I measure arm length?

With arm straight and hand flat, measure from the acromion (bony point on top of shoulder) to the centre of your wrist.

What affects reach on a bike?

Top tube length, stem length, stem angle, handlebar reach, and saddle setback all contribute to total reach. This calculator gives a starting point.

BikeCalcs

Handlebar Reach Calculator — Ideal Reach Distance

Determine your ideal handlebar reach from torso and arm measurements.

Torso Length

Arm Length

How We Calculate This

Reach Calculation

Ideal Reach = (Torso + Arm Length) / 2

The top tube length recommendation accounts for a standard stem length of approximately 60 mm. Actual fit depends on stem length, handlebar shape, and riding style.

Frequently Asked Questions

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Last updated: 2025-02-20

All calculations are estimates. Always verify results and consult a professional bike fitter where appropriate.