Stihl 3003 000 2038 - Rollomatic ES Light Chainsaw Guide Bar - 28" (71cm) Challenge Xtreme 063") with 62 drive links

063") with 62 drive links (in conjunction with a 7 tooth sprocket)

M73LPX094E / M73LPX094X / M73LPXO94E / M73LPXO94X DuraCut (Formerly MultiCut) Chainsaw Chain - 94 Drive Links

Stihl 3617 000 0055 Chainsaw Chain - Stihl Picco Super - PS - 55 Drive Links

for less friction and longer life

Quick check gauge

Stihl 3003 000 2038 - Rollomatic ES Light Chainsaw Guide Bar - 28" (71cm) Challenge Xtreme 063") with 62 drive links3003 000 2038 Stihl Rollomatic ES Light Chainsaw Guide Bar 28" (71cm) Lightweight version of the Stihl Rollomatic ES made of special wear resistant steel. The spaces are cut out and then welded using a special laser process. Stable hollow body with a flexible elastic outer and substructure, 30% lighter than the Rollomatic ES 30030002038 uses a 3 8" pitch chain, 1. 6mm (0. 063") with 91 drive links. Use on MS500i, MS650, MS651, MS660, MS661 models