They come in three weights- light, medium, heavy- and provide just the right amount of resistance to lightly work my shoulders and reduce pain. One month in and I feel so much better. Very happy with this bike. Easy to assemble. I did a lot of reasearch and kakım someone https://makrobet-giri49383.luwebs.com/37195353/hakkında-herşey-makrobet-güncel-giriş