I think this is sort of a universal assessment of various trucks, but here it goes, according to Loaded:
Caliber 10" (44°)
Our favorite all-around cast truck for the Chubby to date. Offers good stability at speed, comfortable lean for standup slides (without getting sloppy), and a relatively short axle-to-axle wheelbase for easier ollies. We recommend a 1/4" riser to avoid wheelbite on most bushing and wheel setups.
Paris 180mm (50°)
A lively, responsive, and quick turning truck. An excellent choice for carving, dancing, freestyle, moderate speed freeride, or technical downhill.
We run Paris on the Chubby without risers or with a very thin rubber shock pad for extra vibration damping.
Caliber 10" (50°)
A more restrictive bushing seat and zero rake make the 50 Caliber less lively but more stable at higher speeds than the Paris.
We run 50 Calibers on the Chubby without risers or with a very thin rubber shock pad for extra vibration damping.
Carver CV 10" (50°)
A unique truck with a fluid and responsive carve. Provides more lean than its 50° geometry would suggest and feels best for moderate speed freeriding, carving, and dancing.
We recommend 1/4" to 1/2" of riser, depending on bushing and wheel setup.
Pretty Noise Lab (PNL) Strummer 180mm (47°)
A well balanced and versatile truck. Feels similar to a Caliber but with smoother and greater lean potential (due to the less restrictive bushing seat and ball pivot). Three-way adjustable wheelbase provides versatility for more lean and higher stability or for quicker slides and easier ollies.
We recommend a 1/4" riser to avoid wheelbite on most bushing and wheel setups.
Aera 176mm (46°)
A very fluid and leany truck, due to the very shallow and non-restrictive bushing seat. Positive offset between the pivot and axle centerline provides good turning response while the lower kingpin angle keeps things steady at speed. Extremely lightweight design. We recommend a 1/4" to 1/2" of riser, depending on bushing and wheel setup. Due to their old school mounting hole configuration, Aeras requires a minimum of 1/4" of riser for the baseplate not to interfere with the recessed truck mounts.
We run a range of wheel sizes from 65mm to 75mm on the Chubby Unicorn with great results. Below is a list of various wheel sizes and shapes that work well on the Chubby and what style(s) of riding we recommend them for.
65mm freeride - lightweight and compact option for freestyle and technical freeride
70mm freeride - fantastic all-around wheel size for freeride and freestyle
70mm race - smaller race wheel for quick turning, technical downhill runs and higher speed freeride
75mm freeride - good choice for high speed freeride
75mm race - larger race wheel for optimal traction and roll speed