Extra Long M4 x 30mm - Helpful when fitting larger cassettes (often as part of 1x Conversions). Example in first photo.
Shimano Sora 3500 Road Bike Rear Mech Derailleur 9 Speed, Black
SHIMANO Sora 3500 Road Bike Rear Mech Derailleur 9 Speed & KMC Unisex's X9 Chain, Grey, 114 Link
SHIMANO Sora 3500 Road Bike Rear Mech Derailleur 9 Speed & CASSETTE HG400 9 speed 11-34
SRAM SX Eagle 12 Speed Rear Mech Derailleur Long Cage 50t NEW
SHIMANO Sora 3500 Road Bike Rear Mech Derailleur 9 Speed & CASSETTE HG400 9 speed 11-32
SRAM Rival 1 Long Cage Rear Mech Derailleur Road Gravel Bike 11 Speed 6837-J7
