1 2 √ 128 July 8, 2019 16 32 64 128 1 2 128 1 2 1280 1 2 x 128 Log 1 2 128 1 2 x11 128 1 2 4 128 1 2 3 128 1 2 x 11 128 chain 1 2 x 11 128 bike chain Log1 2 1 128 2 1 3x 128 1 128 2 5x 3 1 2 times 128 1 2 8 128 1 2 x 128 v belt