- Replacement inserts fit RD-300 cartridge and most 55mm aluminum holders
Manufacturer Alligator
Manufacturer Part Number RD-300UI-DIY
UPC 4717011748307
Model Alligator RD-300 Cartridge Inserts
Brake Shoe and Pad Style Road Caliper
Brake Shoe and Pad Type Replacement Insert
model
Rd-300
compatibility
Shimano-type Caliper
insert
Road
compound
Black