29x2.125-2.5 Rixin Zero TPU Schrader Valve Inner Tube 27.5" The rear hub works with

The rear hub works with threaded 13T and larger freewheels

welded joint tubeless BMX rim

This DOES NOT fit Schwinn S-7 26x1-3/4 rims

Crank up the wattage on your pocket rocket’s mini machine with a set of Answer Mini Alloy Race Cranks

Length: 135mm

29x2.125-2.5 Rixin Zero TPU Schrader Valve Inner Tube 27.5" The rear hub works withThe zero tube is an ultra lightweight tube that is about 1 3 of the weight of a regular tube. the tpu (thermoplastic polyurethane) material allows for lightweight construction that can make a huge difference in the feel of your bike. 38mm long schrader valve. Size: 29" x 2. 125 2. 5" (ISO 622mm) Posted Weight: 86g