Chain-Wear Indicators CC-3.2C & CC-2 sun-bum The 12 Sport is the

The 12 Sport is the perfect bike to take your child from baby steps to big strides

REFLECTIVE - Reflective Tubelok™️ webbing is colorfast and long-wearing

Reflective thread is woven into the comfortable and durable webbing

Our Most Versatile Baselayer: Smooth

Nikwax Softshell Duo Pack

Chain-Wear Indicators CC-3.2C & CC-2 sun-bum The 12 Sport is thePark Tool CC 2 Chain Wear Indicator A worn chain shifts poorly and wears sprockets at an accelerated rate. Park Tool Chain Wear Indicator is a "go no go" gauge designed to accurately indicate when a chain reaches . 5% and . 75%, the points at which most chain manufacturers suggest replacement. The updated CC 3. 2 is longer, more accurate and features permanent measurement markings.