EXS S5 Carbon Road Handlebars BPW Sealing: Supplied with two rubber GiantFebSale Sealing: Supplied with two rubber seals to achieve an airtight seal with any rim profileAirflow: 5 way air path for maximum airflow while remaining compatible with tyre insertsValve Length Options: 40 mm and 60 mmCap: Standard valve cap and Presta valve core remover capValve Core: Removable Presta valve coreAvailable Colors: Black 55mm chainline the increased width difference between the upper and lower sections reduces the likelihood of hand interference when using the lower drops is 65 grams lighter than the stock handlebar while maintaining uncompromised aerodynamic performance and rigidity