CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK Weight-343g }SRAM Post Bracket 17P -

}SRAM Post Bracket 17P - 203mm Rear Mount to 220mm Rotor Adaptor Includes Stainless Caliper Mounting Bolts Black

81mm x 50mm body

combining convenience and top-tier performance in a fluor-free formula

(mm) 38 Material Aluminum Spring Weight 350

2 damper Jounce Bottom Out bumper paired with optional Hydraulic Bottom Out kicks in to offer a soft hydraulic cushion that reduces harsh bottom out Max PSI increased to accomodate higher system weights SRAM Model ID: RS-SDLX-UFA-D1

CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK Weight-343g }SRAM Post Bracket 17P -The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Features a 14 tooth upper and 18 tooth lower aluminum pulley wheels with Grade 3 Silicon Nitride balls to provide absolute optimization of the rear derailleur Robust cage crafted from polyamide and carbon fiber for durability and light weight Compact cage design