Key Features: Versatile profile,Reduced height knobs compared to the 2.50 profile for high performance,Central knobs are orientated for faster rolling performance,A tri-compound Race Ripost Gravity construction that precisely controls tread deformation and increases grip,A 66 TPI casing in addition with Hardskin protection will give you the ability to handle the most difficult terrain,. Specification: Tubeless Ready (TR), fits tubeless rims with no inner tube and also standard rims with inner tube,Hardskin (HS), textile grid reinforcement,Race Ripost Gravity (RR Grav), specifically tuned rubber durometers to promote low rolling resistance and increase grip,Weight: 1030g, ETRTO Size: 29\" x 2.40\" (57-622), 29\" x 2.50\" (58-622).