The 12 O’Clock Alloy Pulley Wheels are machined from 7075 aluminum alloy, and spin on a sealed bearing with an alloy dust cover.

7075 aluminium alloy is used for highly stressed structural applications such as aircraft structural parts, it has excellent mechanical properties with good ductility, high strength, toughness, corrosion resistance and good resistance to fatigue.

SRAM 12T +14T:Compatible with SRAM 12 speed Eagle derailleurs: XX1 Eagle, X01 Eagle, GX Eagle, NX Eagle and SX Eagle system.Not compatible with T-Type (Transmission) derailleurs.

Shimano 13T + 13T:Compatible with Shimano MTB 12 speed derailleurs, including XTR M9100, XT M8100, SLX M7100, Deore M6100.

Pre-greased, ready to install

Weight: 24 g