DT Swiss FR 1500 Classic Rear Wheel - 27.5" 12 x 148mm 6-Bolt XD Ratchet EXP 36 BLK MFPN=W0E1900AEIXSA18866 The Dissector center knobs are

The Dissector center knobs are all heavily ramped to minimize drag but retain sharp flat edges along their backs to provide strong braking traction

}DT Swiss 350 Rear Hub - 12 x 150mm 6-Bolt XD Black 32H 36pt

0 Length 266 Spoke Interface J-Bend Defined Color Silver

unlike the Expert

DT Swiss FR 1500 Classic Rear Wheel - 27.5" 12 x 148mm 6-Bolt XD Ratchet EXP 36 BLK MFPN=W0E1900AEIXSA18866 The Dissector center knobs areDT Swiss FR 1500 Rear Wheel 27. 5" 12 x 148mm 6 Bolt XD Black. The FR 1500 wheels are ready to transform that nervous anticipation before opening a new line into relief providing increased riding precision and wheelset durability. A unique lightweight and stable rim profile not only increases impact resistance but also reduces weight and the probability of pinch flats. The wheels design takes load distribution in extreme riding situations into account