This is a complex spring rate calculator to determine front and rear spring rates for Trail and Enduro MTB.

Enter rider weight, bike weight and unsprung weights as well as bike geometry numbers to get the most accurate starting point for bike setup.

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This is a complex frequency based spring rate calculator to determine rear spring rates for Trail and Enduro MTB.

Enter rider weight, bike weight and unsprung weights as well as bike geometry numbers to get the most accurate starting point for bike setup.

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This is a simple spring rate calculator to ball-park bike setup and provide a front spring rate.

It makes several assumptions to reduce the user input down to just one variable (rider weight).  If you want a more accurate calculator and/or one that calculates rear shock spring rate then use one of our Advanced Bike Spring Rate Calculators here.

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A calculator to find the spring rate (in lb/in), maximum travel (mm), force at bottom-out and material stress (MPa) of an unindentified spring.

Enter wire diameter (mm), diameter inside the coils (mm), the number of coils that are free to move and the travel required.

You must purchase a voucher code to use this calculator.  The voucher code will be emailed to you after purchase and can only be used once.  Simply click add to cart and proceed through the checkout process.

Also available: Simplified Coil Spring Calculator - find spring rate (in lb/in) of an unindentified spring.

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A calculator to find the spring rate (in lb/in) of an unindentified spring.

Enter wire diameter (mm), diameter inside the coils (mm) and the number of coils that are free to move.

You must purchase a voucher code to use this calculator.  The voucher code will be emailed to you after purchase and can only be used once.  Simply click add to cart and proceed through the checkout process.

Also available: Detailed Coil Spring Calculator - find spring rate (in lb/in), maximum travel (mm), force at bottom-out and material stress (MPa) of an unindentified spring.

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This calculator takes rider weight, bike geometry and riding style to generate a tune grade for your Pick & Mix Self Tune Kit or Ready Mix Tune

Add this product to your cart and proceed through checkout to receive a voucher code for one-time use in our Pick & Mix Calculator (see below) Learn More