Pirelli SporTUBE - 700c - Presta - 23-30C - 60mm YGroup_7525301846061 this is your dropper

this is your dropper

or Vaseline may help to reduce friction if the fit is too tight after trimming the storage sleeves to size

The high torsion strength coupled with the hollow outer and inner plates and pins enable give it a heavy duty structure that is up for the task on any single speed setup

but don't need the full shebang kit of all the sizes

Please note

Pirelli SporTUBE - 700c - Presta - 23-30C - 60mm YGroup_7525301846061 this is your dropperThe SporTUBE is the most classic cycling inner butyl tube range, the standard interpretation of the most used air retention system in the worldA complete range with the size and specification for every kind of cyclist and discipline, from road cycling to urban commuting. MODEL SIZE WEIGHT VALVE TYPE VALVE COLOUR MATERIAL COMPATIBILITY SporTUBE 27. 5" x 2. 1 2. 4 200g Presta, 48mm Silver Buty1 Disc and rim brakes