Ritchey Classic Zero Post 30.9x400 - Silver CheckoutSpec= Upper 7.3mm Beyond its unique and stunning

Beyond its unique and stunning Dark Polar finish and electroless nickel plating for incredible resistance to corrosion and wear its full X-Sync design literally means the harder you pedal the better it shifts

Mud-clearing recesses Color Black Defined Color Black Designed for ebike Yes Direct Mount Type Direct Mount Bosch Gen 4 Drivetrain Speeds 12 Material Steel Ring Position/Type Chain Retaining Single Ring Tooth Count 38

Extendible steel cable Length 105 Lock Style Combination Diameter 3 Cable Style Retractable

Dual-Seal crown race provides excellent seal efficiency with low friction

Magura MT Sport Disc Brake Caliper Brake Lever Actuation Hydraulic Brake Caliper Type Post Mount Rotor Included No Hydraulic Fluid Type Mineral Oil Pad Compound Semi-Metallic Defined Color Black

Ritchey Classic Zero Post 30.9x400 - Silver CheckoutSpec= Upper 7.3mm Beyond its unique and stunningNo slip saddle engagement with high adjustability 6061 alloy with zero set back 285g (27. 2x350mm) Model Classic Zero Diameter 30. 9mm Length 400mm Setback Zero Material Aluminum Color Silver