S-Ride RD-M300 9 Speed Long Rear Derailleur – The Bikesmiths
NOS Shimano Exage 300LX #FD-M300 triple clamp-on front derailleur from – Velosaloon.com
SHIMANO EXAGE 300 LX RD-M300-SGS SUPER LONG CAGE REAR DERAILLEUR - NOS | eBay
S-RIDE SL-M300 For Shimano Compatible 3Speed Mountain Bicycle Derailleur Bike Transmission Dial M3-B Sale - Banggood USA sold out-arrival notice-arrival notice
Rd-m300 Mtb Mountain Bike 8/9 Speed Rear Derailleur Long Cage Bicycle Rear Cage Compatible For Shimano 8/9 Speed Rear Cage - Bicycle Derailleur - AliExpress
S-Ride RD-M300 9 Speed Long Rear Derailleur – The Bikesmiths
Universal Cycles -- S-Ride SL-M300 Left Trigger Shifter - 3 Speed; Shimano 2:1 Ratio [590821]