29" (622mm) TNT M80 Double Wall Rim - 36H - White - Rear 45t They have an aluminum shell

They have an aluminum shell and are black in color

Integrated bearing race

this is the go-to tire for riders wanting to emulate Mike’s legacy as an all-around shredder

and 50% smaller packed size than standard rubber tubes

It has AL6061-T6 alloy cups

29" (622mm) TNT M80 Double Wall Rim - 36H - White - Rear 45t They have an aluminum shellThis is a race intended, double walled and pinned joint rim. It is 29" (622mm) and works with 29" x 1. 5 2. 45 tires and standard Schrader valve tubes. This rim is intended for rim brakes. Use: BMX Race Size: 29in ISO: 622mm Wall: Double Drilling: 36H Side: Machined Sidewall Material: 6061 T6 aluminum Valve: SV ERD: 592mm Color: White Powder Coat