Pirelli Cinturato SmarTube X Tube - 700 x 28 - 40mm 60mm Presta Valve CheckoutSpec= 248mm Lightweight alloy body with steel

Lightweight alloy body with steel cage Toe-clip compatible Heat treated Boron 9/16" axle spindle 100x78x32mm

suitable for most gravel situations in any conditions

Shimano (G-type 2-piston) M9020/M9000/M8100/M8000/M7100/M6100/M6000/M987/M985/M785/M675/M666/M615/MT500/MT410/MT400/M375/MT200/TX805/RS785/R785/R517/R317/U8000/UR300/S7000

7mm tread side for increased puncture protection

Pirelli Cinturato SmarTube X Tube - 700 x 28 - 40mm 60mm Presta Valve CheckoutSpec= 248mm Lightweight alloy body with steelThe Cinturato SmarTube X is Pirelli's latest innovation in the world of tubes designed to offer performance enhancing solutions for your endurance rides and gravel adventures. Made with thermoplastic polyurethane (TPU) a material that can save up to 70% of the weight while being stronger than butyl as a raw material. This product is 3 times thicker than a standard SmarTube giving you the benefit of being agile while still being extremely protected.