Large (over 8mm)

These hubs were specially designed to mount the 1-1/4 wide Series 2 Colson Wheels and provide one of the most durable methods of mounting them.The hubs are designed for an interference fit into the wheel and feature integrated cleats that cut into the wheel bore. The interference fit combined with the cleats provide excellent pull-out resistance and torque transfer.The hubs are installed by pressing them into the unmodified bore of the wheel. We recommend using a 3-5 ton arbor press or a large...

These hubs were specially designed to mount the 1-1/4 wide Series 2 Colson Wheels and provide one of the most durable methods of mounting them.The hubs are designed for an interference fit into the wheel and feature integrated cleats that cut into the wheel bore. The interference fit combined with the cleats provide excellent pull-out resistance and torque transfer.The hubs are installed by pressing them into the unmodified bore of the wheel. We recommend using a 3-5 ton arbor press or a large...

These hubs were specially designed to mount the 7/8 inch wide Series 2 Colson Wheels and provide one of the most durable methods of mounting them.The hubs are designed for an interference fit into the wheel and feature integrated cleats that cut into the wheel bore. The interference fit combined with the cleats provide excellent pull-out resistance and torque transfer.The hubs are installed by pressing them into the unmodified bore of the wheel. We recommend using a 3-5 ton arbor press or a...

So you want to use one of the big Colson wheels with the large bore, but you don't want to use a monster shaft. This is what you need to reduce the large bore down to something more manageable. These are custom built 6061 Aluminum bore reducers that were made to fit the Colson Performa wheels. These reducers are made especially for Robotic Combat standardsLength: 1.12"Outside diameter: .90"Inside bore diameter: 5/8"Keyway: 3/16"0-CHR21

So you want to use one of the big Colson wheels with the large bore, but you don't want to use a monster shaft. This is what you need to reduce the large bore down to something more manageable. These are custom built 6061 Aluminum bore reducers that were made to fit the Colson Performa wheels. These reducers are made especially for Robotic Combat standardsLength: 3 1/4"Outside diameter: 1 15/16"Inside bore diameter: 1 1/4"Keyway: 1/4"0-CHR1

So you want to use one of the big Colson wheels with the large bore, but you don't want to use a monster shaft. This is what you need to reduce the large bore down to something more manageable. These are custom built 6061 Aluminum bore reducers that were made to fit the Colson Performa wheels. These reducers are made especially for Robotic Combat standardsLength: 1.5"Outside diameter: 1.18"Inside bore diameter: 5/8"Keyway: 3/16"0-CHR17

So you want to use one of the big Colson wheels with the large bore, but you don't want to use a monster shaft. This is what you need to reduce the large bore down to something more manageable. These are custom built 6061 Aluminum bore reducers that were made to fit the Colson Performa wheels. These reducers are made especially for Robotic Combat standardsLength: 1.13"Outside diameter: .90"Inside bore diameter: 5/8"Keyway: 3/16"0-CHR22

Drill out your own bore and keywayMaterial: 6061 Aluminumoutside diameter: 1-15/16"length: 3 1/4"stock bore" .25"keyway: 1/4"0-CHRBL1

Drill out your own bore and keywayMaterial: 6061 Aluminumoutside diameter: .60"length: 1.0"stock bore" .25"keyway: 1/8"0-CHRBL5

Drill out your own bore and keywayMaterial: 6061 Aluminumoutside diameter: 1/2"length: .88"stock bore" .25"keyway: 1/8"0-CHRBL6