Portland Design Works CO2 Cartridge 16g Threaded 20/Box MFPN=100018-9900-M Twist shifters with metal indexing

Twist shifters with metal indexing mechanism for trouble-free high performance

Bearing Type Cartridge Color Black Crown Race 40 Defined Color Black Defined Color List Black Lower Stack Height 12

The bead wall is about twice the width of most competitors for durability and the outside edge has an extra large radius to reduce cuts from sidewall impacts

5 sec when bike deceleration is detected

the Dynamic:GSR compound has been developed to expand the 'Magic-Triangle' with improved Rolling Efficiency enhanced wet and dry grip and increased Durability

Portland Design Works CO2 Cartridge 16g Threaded 20/Box MFPN=100018-9900-M Twist shifters with metal indexingFood grade cartridges are standard threaded to fit any brand inflator Sold as singles, 3 pack, or 20 box TECH SPECS size 16g type threaded package 20 count