Hope 13T Jockey Wheels A small but mighty upgrade The jockey wheels are a small, but essential part of every rear derailleur, with thousands of revolutions every ride, making them a big part of keeping your drivetrain running efficiently. The Hope Jockey Wheels are a lightweight, smooth-rolling, and robust upgrade to the stock pulley wheels of your favorite rear derailleur. These CNC-machined pulleys are meticulously crafted from 2014 T6 aluminum for a precision fit. The lightweight alloy jockey wheels run on stainless steel cartridge bearings with low-friction seals, with labyrinth style spacers that offer more protection for the bearings. The result? Smooth-rolling pulley wheels that resist water and drivetrain gunk ingress, with an ultra-long run life. Oh, and did we mention they also come in 7 vibrant colors?Features CNC-machined 2014 T6 aluminum for a lightweight, durable design with an ultra-precise fit Stainless steel cartridge bearings with low-drag seals Labyrinth-style spacers offer additional protection for the cartridge bearings, resulting in longer wear life Lightweight design at only 34 grams per pair Compatible with Shimano 12-speed rear derailleurs Specifications Weight36. 5 grams (pair)Material CNC-machined 2014T6 aluminium Derailleur Compatibility SRAM AXS and SRAM Eagle 12-speed rear derailleurs | Hope Technology | 13T Jockey Wheels 13T Pair- Orange