Clement bos folding cyclocross tyreclements bos is a tubeless compatible folding cx tyre that features aggressive side knobs for outstanding traction in super muddy corners and off cambers features aggressive tread pattern for superior traction ideal for wet muddy conditions tubeless ready with proprietary casing tractor style tread for the harshest mud buttressed side knobs for excellent corning traction casing 120tpi weight 397g buyclement wheels tyres from chain reaction cycles the