DESCRIPTION SHIMANO CODE NO. INTERCHANGE-ABILITY B-Axle Assembly (SS-Type) B-Axle Assembly (GS-Type) B-Tension Spring (SS-Type) B-Tension Spring (GS-Type). The DURA-ACE groupset is the result of Shimano’s ongoing passion for technology. Bs 5839 Part 1 2002 Pdf Editor. The 11-speed DURA-ACE rear derailleur has been redesigned for lighter.

Upgrading froma 105 rear mech is a big step, but I have been amazed how much difference. I've been able to drop two sprockets at the rear, going froma 13-23 to a 12-21 block. With a 9 sp ultegra block and chain the ride is absolutely silent, shicting light and accurate, witht the only proviso that tehre seems to be a slightly shorter shift between the 21 and 19, tending to slip over to the 18 tooth sprocket unless careful.

Notably I've had this mech for about twice as long as any other. Filemenu Tools Deutsch. The tension adjust bolts and pulleys have gone out of shape or sheared insode half the time on otehr mechs, and I'm riding about 150 miles a week, so longevity is pretty impressive. Even at the price (in the Uk perhaps more competitive than campy, but still not a snip) it's well worth everyu penny. Upgrading froma 105 rear mech is a big step, but I have been amazed how much difference. Msi Ms 7301 Ver 1 0 Manual Woodworkers there. I've been able to drop two sprockets at the rear, going froma 13-23 to a 12-21 block. With a 9 sp ultegra block and chain the ride is absolutely silent, shicting light and accurate, witht the only proviso that tehre seems to be a slightly shorter shift between the 21 and 19, tending to slip over to the 18 tooth sprocket unless careful. Notably I've had this mech for about twice as long as any other.