Muc-Off Big Bore Hyrid Tubeless Valve Stems - Large 45mm Pink CO2 and Pressurized Cartridge it features TriMax® triple insulation

it features TriMax® triple insulation and keeps drinks cold up to 60 hours and hot up to 12 hours

and a double X-Bridge structure for improved shifting performance

Base Material: Performance

} The most agile cross-country tire for intensive use

It features a small flange on the inside

Muc-Off Big Bore Hyrid Tubeless Valve Stems - Large 45mm Pink CO2 and Pressurized Cartridge it features TriMax® triple insulationBig Bore Hybrid Valves provide ease of fill and maintenance by eliminating the inner valve core Flow is controlled by an internal ball valve controlled by an intergrated external lever Ball valve allows for 245% more flow than a standard valve with inner core 4mm machined hex key slot on bottom allows for easy installation and removal Hybrid model comes with a Schrader style valve sized head 60mm model has suggested rim depth of less than 20mm, 65mm