Enduro Ceramic Hybrid 6903 LLB Sealed Cartridge Bearing 17 x 30 x 7mm CheckoutSpec= TLD - Yellow/Gray model SB20 diameter 25

model SB20 diameter 25

Two light levels and one flashing mode

For steel and aluminum frames apply a thin layer of grease to the inside of the clamp

Single speed conversion kit with angled spacers for Shimano freehub bodies

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Enduro Ceramic Hybrid 6903 LLB Sealed Cartridge Bearing 17 x 30 x 7mm CheckoutSpec= TLD - Yellow/Gray model SB20 diameter 25Ceramic 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