Up for sale is a set of 21" Tesla forged arachnid wheels in silver for Tesla Model S. They are in 'brand new, never installed' condition, and is currently at Sunnyvale service center (Northern California). 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" upgrade 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 Package includes: • 4 Arachnid wheels. • 4 OEM performance tires. • 4 tire pressure sensors. • 4 Tesla logo wheel caps. • Mount, install, and configure at Sunnyvale service center. Asking $3200.