bike trainer 一問

Sion315

想請問有冇師傅用開trainer? 小弟想揾返個啱mountain bike 用.. 睇過好似剩係minoura一款可以..
http://www.minoura.jp/english/trainer/rim-drive/rda2429.html
唔知啲roller type 用唔用得? 見到摺埋好慳位..
http://www.minoura.jp/english/trainer/rollers/ac-pro.html
仲有冇其他選擇同大約邊度有得買?

thank you all!