Hyper Speed System - SHIMANO 679
SLF Motion Hyper Speed System
* 6000, 7000, & 9000 Series Shimano Rear Derailleurs ONLY *
16T/17T Combination Oversize Wheels are CNC machined out of G2 Titanium.
Cage plates are CNC machined out of 7075 Aluminum. Required hardware is a combination of Titanium and Stainless Steel parts.
The heartbeat of the oversize Titanium wheels are coated (at no extra cost to you!) hybrid ceramic bearings.
SHIMANO Compatible - Ultegra 6700 (10sp Mechanical), 6770 (10sp Di2), 6800 (11sp Mechanical) & 6870 (11sp Di2) as well as Dura Ace 7900 (10sp Mechanical), 7970 (10sp Di2), 9000 (11sp Mechanical), & 9070 (11sp Di2) rear derailleurs. This system will work with 28T cassettes and smaller.
This Hyper Speed System will NOT work with Ultegra 8000 & 8050 nor Dura Ace 9100 & 9150.