All purpose road and trekking wheel built to take whatever the adventure may hold DT Aero Comp straight pull spokes with ProLock Squorx ProHead nipples Rear wheel features DT Swiss` tried and true ratchet system Centelock disc brake with 6 bolt adapter Included 5mm QR endcap kit MTB cassette must be used for 11s compatibility 700C RR 20 Thru 12mm Blk ER1400 Dicut 240 142 Blk 8-11s MTB CL/6B DT Aero Comp SP 24H Dbl