CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK MFPN=EE8889-6- }Abus AirDrop MIPS Helmet -

}Abus AirDrop MIPS Helmet - Velvet Black Small/Medium

Riders can fine-tune damping from the factory base tune for a more personalized feel while factoring in ride style and terrain

5" Tapered Aluminum Steerer Diffusion Black A7 130-150mm

Adjustable elastomer rubber helps to absorbs vibrations

CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12 - Alloy Pulley Carbon Cage BLK MFPN=EE8889-6- }Abus AirDrop MIPS Helmet -CeramicSpeed OSPW X Pulley Wheel System for Shimano XT XTR 1x12 Alloy Pulley Carbon Cage Black. 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