Enduro Ceramic Hybrid 6806 LLB Sealed Cartridge Bearing 30 x 42 x 7mm MFPN=TB00574000 }Lezyne Smart Energy Caddy Top

}Lezyne Smart Energy Caddy Top Tube Mount Phone Holder - Black

but for colder temperatures

Alloy 6061 / Semi int

spindle CrMo size 9/16" color blue weight 310g

5 Rim Depth (mm) 18 Rim Joint Welded Rim Material Alloy Rim Width (External) 28

Enduro Ceramic Hybrid 6806 LLB Sealed Cartridge Bearing 30 x 42 x 7mm MFPN=TB00574000 }Lezyne Smart Energy Caddy TopCeramic Hybrid bearings feature ABEC 5 tolerances and premium features such as LLB seals Graphite Nylon retainers Silicon Nitride Grade 5 balls and cryogenically treated steel races. ABEC 5 precision cartridge bearing Grade 5 Si3N4 Silicon Nitride balls 52100 high carbon Chromium alloy races Races receive 3 cryogenic treatments "LLB" type 2 lip low contact Nitrile Butadiene rubber labyrinth seals Nylon graphite retainer Realube Special Ceramic Grade