Schwalbe G-One Comp Tire - 700 x 45 Clincher Wire BLK Active Line K-Guard GreenSchwalbe G One Comp Tire 700 x 45 Clincher Wire Black Active Line K Guard Green. The G One Comp is a versatile gravel tire designed for mixed terrain cycling combining the best elements of road and off road performance. With a minimalist tread pattern it offers low rolling resistance on smooth surfaces while providing sufficient grip on gravel and light off road paths. Fast tread for gravel sections and urban use Good rolling resistance and high