Vittoria Air-Liner Light Tubeless Insert - Gravel 700 x 37-40 ModelNumber=E3451 Compatible with 5 to 13-speed

Compatible with 5 to 13-speed derailleur chains and single-speed chains

}Wheels Manufacturing BSA Bottom Bracket - Shimano MTB Angular Contact Bearings Black Cups

6mm 175mm 2020+

Accurate within +/- 4% for 4000 cycles

Cable Head Type Shimano/SRAM Road Defined Color Silver Diameter 1

Vittoria Air-Liner Light Tubeless Insert - Gravel 700 x 37-40 ModelNumber=E3451 Compatible with 5 to 13-speedThe ultralight puncture solution for gravel tires The ultralight construction also limits rotational mass above the bead, and it reinforces the sidewall while letting the tread ride on air The contact patch stays fluid on terrain and punchy while pedaling, but the tire doesnt flop or fold under lateral loads or while cornering Prevents punctures, progressively ramping up under compression to eliminate rim strikes and snake bites when you over send a