Tern Rear Wheel  28H 2 cross lacing, Aluminium 130mm hub,  Aluminium Weinmann doublewall rim. HUB: Silver  Labyrinth water seal, 8/9/10spd. cassette type, aluminum, Q Release. Silver Stainless Steel Spokes   Can be used to upgrade a 7 speed bike (such as Dahon Vitesse/Speed D7) to QR stronger rim wheels, but spacer must be used on the cassette to convert from 8 to 7 speed cassette.  Q-release Scewer is included. NOTE : BLACK RIM, SILVER HUB  SILVER SS SPOKES  Suits Tyre sizes (406) 20 x 1.3"  - 2.0"