Up for sale is a set of brand new 21" Tesla custom forged staggered matte black Arachnid wheels. These one-of-a-kind wheels are not available for sale at Tesla store and only available as part of the previous referral program (new referral program only give out silver Arachnid wheels). For those who wish to know more about the uniqueness of these wheels: • These custom wheels are not sold in Tesla store. • Wheels are 8.6 lbs lighter in front and 9.5 lbs in rear wheel for a total reduction of 36.2 lbs of unsprung weight compare to the 21" Turbine wheels, a $4500 upgrade option for new purchase, or $6000 when sold separately. • Arachnid wheels are equipped in the Tesla that sets the record 0-60 time. 2017 Tesla Model S P100D First Test: A New Record - 0-60 MPH in 2.28 Seconds! - Motor Trend Specification: • 21″ Arachnid Wheel •Size: 21 X 8.5″ front,21 X 9.0″ rear. •Offset: +40 front, +40 rear •PCD: 5X120 •Center Bore: 64.1mm •Lug Nut Spec: 13/16 Hex, 14X1.50 Thread •Lug Nut Torque Spec: 129 lb-ft. •Weight: 26.5 lb front, 28.5 lb rear Comes with color matching Tesla wheel caps. Asking $5500, perfect upgrade option for the Tesla Model S with 19" or 21" wheels. Local pick up in San Francisco Bay Area preferred. Asking $5500. Local pick up in San Francisco Bay Area preferred.