DYNAPLUG Racer Pro Tool Grease When Castelli engineered the first

When Castelli engineered the first aero jersey for road racing back in 2006

while a vertical stabilizer across the nape of the neck provides ergonomic neck support and delivers enhanced balance and a customized fit

anti-odour leather suede

The tread is now completely embedded with the casing

Each cassette is built on two blocks

DYNAPLUG Racer Pro Tool Grease When Castelli engineered the firstThe Dynaplug Racer Pro improves upon the legendary Racer's original design with Twin Tube technology. This allows you to store 4 pre loaded plugs ready to go in a single tool. Snap on caps protect plugs from dirt and damage. When your ready to make a repair, just pop off a cap to deploy either a standard size plug (with wheel friendly soft brass tip) or the aluminum Megaplug for mega big punctures. If you need more plugs just unthread the Twin Tube