What is the difference between e-tuned and e-optimized?
E-tuned focuses on the tuning of the fork’s damper, while e-optimization focuses on alterations to the fork’s chassis.
Why isn’t there an E-optimized 38?
The 38 exceeds our stiffness benchmark for eMTB applications, therefore it only requires an eMTB-specific tune.
Can I purchase an E-Live Valve system in aftermarket?
No. We do not offer E-Live Valve system in aftermarket, only on OEM complete bikes.
Do e-optimized 36’s use the same air spring as standard 36’s?
No, the piston diameter is smaller to account for thicker stanchion walls.
Can I run a standard 36 or 38 fork on my e-bike?
You can run a standard 36 fork on a Class 1 eMTB with a max system weight of 140Kg. You can run a 38 fork on a Class 1 or Class 3 eMTB with a max system weight of 169Kg.
Do you sell eMTB-specific rear shocks?
No. Rear shocks on ebikes are tuned to the bikes, if you want to explore custom tuning options, please explore tuning options with our FOX Factory tuning program.
Are Transfer seatposts eMTB rated?
Transfer’s are compatible with Class 1 and Class 3 eMTBs with a system weight up to 169Kg.
Is the FOX 40 ebike rated?
It’s compatible with Class 1 eMTB’s with a max system weight of 140Kg
Are Kabolt X axle’s compatible with EMTB forks (are they strong enough and rated for eMTB)?
Yes. The Kabolt X axle has been tested up Class 3 and 169Kg system weight limit.
Why don’t you make different lowers for e-optimized 36’s?
When lower legs are properly engineered and designed, they pass all standard MTB and E-bike+ lab and field test requirements. In the interest of common parts and quick service, it is advantageous to the customer to have a common lower leg for both standard MTB and E-bike+ fork applications.
What is the weight difference between a E-optimized 36 and a standard 36?
E-optimized 36 is 227.5g [0.50 lbf] heavier than the standard 36.