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120mm wide round center section makes it easy to mount accessories
The Extrema is optimized around massive 29”/700c tires with 50-57mm WAM (Width-As-Measured)
20mm inward roll and multi-radius bend
you need to start with the tires
Dynaplug Racer Pro Tire Repair Tool Bike-Indoor Cycling-Smart Trainers 120mm wide round center sectionThe 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
