The prime pro disc road wheelset produce great lateral stiffness thanks to the rd010 hubset and straightpull spokes the use of straightpull spokes allows for optimal spoke positioning to increase the stiffness of the wheel and balances the spoke tension balanced spoke tension is important as it allows even wear to both the spokes and the hub creating a durable and strong hubset the prime pro disc road wheelset is built up from the rd010 hubset that features an integrated reinforced steel rib