Tannus Armour Tube Insert Size & Weight:700 x 28–34 / Single / 200g Designed for 12 spline 23

Designed for 12 spline 23

and an integrated 16mm box end wrench

The insert also helps increase comfort

Toe-in alignment gauge for all tadpole recumbents

Cover options include Soft Touch Vinyl and Lycra

Tannus Armour Tube Insert Size & Weight:700 x 28–34 / Single / 200g Designed for 12 spline 23The Tannus Armour Tube Insert wraps around the inner tube to provide up to 15mm of additional puncture protection while improving tire stability and ride comfort. The insert helps cushion impacts, stabilize the tire sidewall during cornering, and reduce the risk of rim damage if a flat occurs. This product requires use of a smaller tube and a minimum 19mm inner rim width. Smaller ends of the listed size range may require trimming for proper fit. This