Chevy Bolt Original tires: Michelin Energy Saver A/S Self sealing 215/50-17 Maximum Load: 1356 Lbs Max inflation Pressure: 44 PSI tire weight: 23 Lbs Revolutions per Mile: 815 Made in USA Wheel Torque: 100 ft-lbs Wheel specs: 17x6.5 5x105 bolt pattern. 44mm offset. 56.6 centerbore. -------------------------- Current replacement tires on Chevy Cruze EVO rims: Michelin Energy Saver A/S Non-self healing 215/55-17 Maximum Load: 1477 Lbs Max inflation Pressure: 51 PSI tire weight: 23 Lbs Revolutions per Mile: 791 Made in Canada ----------- Alternative Continental PureContact LS Maximum Load: 1521 Lbs Max inflation Pressure: 51 PSI tire weight: 21 Lbs Revolutions per Mile: 816 Made in FR --------------- rims: Wheels: Cruze Eco wheels are about 6 lbs less each (several threads on this topic in this forum). Bolts: Stock bolts are 2 ozs vs Dorman 1 1/4 ozs Dorman 711-355D Blue Spline Drive Lock Set M12-1.50, 20 Pack. Wheel size comparison: LT1: 17 x 6.5 ET 44/5 Eco: 17 x 7 ET 42, 17 LBS weight NET: Each corner has a reduced unsprung weight of about 8 1/2 lbs, or 34 lbs combined. spare cruze tire: Looks like the tire is 125/70-16 which would mean it's 11.4% smaller diameter than the stock tire size. Definitely would not want to run it on a front tire in any circumstance. --------------- alternative wheels: 16" (lighter) https://www.aftermarketev.com/products/fast-wheels-16-ev01-for-chevrolet-bolt-ev-set-of-4 Weight (lbs): 18.00 lbs with 205/60/16 tires Bolt will be raised 0.1" --- https://www.ebay.com/itm/225204093978 ------------- TPMS 2017-2021 TPMS used 315 Mhz 2022-2023 TPMS uses 433 Mhz (european freq?) Beware!