purple lite 700x32-47 65mm tpu presta tube

・[Ultra-lightweight] At 36 grams per tube it is much lighter than conventional butyl tubes. It also contributes to reducing rolling resistance.
・[Metal and resin hybrid valve] Approximately 20 mm from the base of the valve is made of resin which is lightweight and causes less damage to the rim. Approximately 45 mm from the tip is made of metal and is threaded so that a rim nut c
Each tube is made of urethane resin and weighs 36 grams much lighter than conventional butyl tubes. It also contributes to reducing rolling resistance. In addition the use of a hybrid valve made of resin and metal makes it both lightweight and convenient.