The G SES 4.5 is built for the full spectrum of gravel. This is versatility without compromise-shaped for aerodynamic advantage across varied terrain, while keeping weight in check for climbing, accelerating, and nimble handling. With a 30mm internal width and 55mm rear Profile rim, the G SES 4.5 strikes the ideal balance of responsiveness, stability, and speed. The G SES 4.5 rim paired with the Premium Innerdrive hub creates a versatile performance solution for gravel riders and racers who place value in weight savings, and nimble handling over all out aerodynamic efficiency. Full carbon rim is optimized to further improve tubeless tire and rim reliability with a hookless bead design that allows for the precise rim dimensions required to achieve the best tubeless performance Wide hookless bead design greatly reduces the likelihood of pinch-flatting by Providing a blunt surface upon which to bottom out the tire, dissipating energy across a larger surface area and preventing tire damage Innerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement Interchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs. Whether it be maximizing efficiency, response, or reliability Premium Straight Pull hubs utilize equal spoke lengths with an anti-twist spoke design for improved wheel strength and performance, a lightweight alloy hubshell, stainless steel sealed bearings and easy to service axle system Molded Item Specifications Cassette Body Type Shimano Micro Spline Color Black/White Defined Color Black Hub/Brake Compatibility Center-Lock Disc ISO Diameter 622 / Road / 29" Rear Axle 12mm Thru x 142mm Rim Material Carbon Rim Width (Internal) 30 Tire Type Tubeless Ready Valve Presta Wheel Size 700c ENVE Composites G SES 4.5 Rear Wheel Rear Wheel UPC: 810214200666 MPN: 100-3325-011