This product is intended for use with road racing bicycles, and may not be compatible with some MTB, folding, recumbent, or tandem bicycle frames.

• 虽然我的看法也是较适合公路车，但理由不一样，主要是字小，公路车较趴，字小比较没有问题，登山车没那麽趴，字小有时会看不清楚。