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 performanceWide 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 damageInnerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings reducing stress on the axle and bearings while ensuring positive and reliable engagementInterchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs. Whether it be maximizing efficiency response or reliabilityPremium 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 systemMolded