we want to purchase: 1. V-belt 17x2160Li B 85 - 2 pcs. ( 17 mm, height 11 mm, external length La=2229 mm, estimated length Ld=2205 mm. internal length Li=2160 mm) .

2. V-belt 17x2134Li B 84 - 2 pcs. ( 17mm, height 11mm, outer length La=2203mm, effective length Ld=2179mm, inner length Li=2134mm). 

3. V-belt 17x1900Li B 75 - 2pcs. ( 17mm, height 11mm, outer length La= 1969 mm, effective length Ld=1945 mm, internal length Li=1900 mm).