- Shimano's POP-ORCA features a unique Bubble Chamber' open mouth design based on how a jet engine turns low pressureinto high pressure. It also makes the POP-ORCA much easier to work than conventional poppers.
- Shimano's POP-ORCA features a unique Bubble Chamber' open mouth design based on how a jet engine turns low pressureinto high pressure. It also makes the POP-ORCA much easier to work than conventional poppers.
