Enduro Zero Ceramic Grade 3 6806 LLB Sealed Cartridge Bearing 30 x 42 x 7mm ModelNumber=K5183 Aluminum body with stainless steel

Aluminum body with stainless steel braking surface designed to minimize brake noise

Aluminum construction

Tip Size 15mm / 17mm / 19mm

Tooth Count 53 Ring Position/Type Outer Drivetrain Speeds 11 Chainring BCD 130 Color Black Defined Color Black Material Aluminum

Enduro Zero Ceramic Grade 3 6806 LLB Sealed Cartridge Bearing 30 x 42 x 7mm ModelNumber=K5183 Aluminum body with stainless steelEnduro Zero Ceramic Grade 3 6806 LLB Sealed Cartridge Bearing 30 x 42 x 7mm. Zero Ceramic bearings are the ultimate race day weapon. Oversized Grade 3 balls roll on races which are ground to a mirror finish after receiving Magnetite and then Cryogenic treatments for hardness and longevity and slippery Silicone seals to produce minimum resistance. VV" type 2 lip non contact Silicone labyrinth seals Nylon graphite retainer TECH SPECS Bearing O. D. (mm)