Not all carbon wheelsets have to cost an arm and a leg using tricks learned from development of control sl 29s weve been able to put together a competitively lightweight set of 29 xc wheels at a more attainable price point rim uses a zero bead hook design for use of continuous fibre across the sidewall and rim bed which creates stronger impact resistancerim type clincher tubeless readyrim material carbon fibrerim width 27mm externalfront spoke pattern radial3 cross 402141rear s