Pay in 4 interest-free payments of $186.88 Learn more
Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
and custom EV applications
Want a 4 speed case
the Helix IS combines production-ready durability with modern EV drivetrain integration
AND a DIY builder's model that is case only - allowing you to use and install your own gears
Ideal for lightweight and mid-size EV platforms requiring reduced weight and compact packaging
NP241 Standard Strongbox BW1354 and custom EV applicationsThe NP241 Standard Strongbox underdrive by Behemoth Drivetrain is engineered for extreme strength, low weight, and incredible performance. The NP241 Strongbox is available as both a fully geared ready to install model, or a DIY version that is case only allowing you to choose and install your own gears. Gear Compatibility: The NP241 Standard Strongbox DIY case is designed to be compatible with NP231, NP233, NP236, NP241, NP243 and NP246 series gears.
