- 7 speed reading customer reviews how to#
- 7 speed reading customer reviews manual#
- 7 speed reading customer reviews series#
This hub uses a rotating ring operated by the cable, inboard of the chainstay. I also am pleased at how well-protected the linkage to the hub is. I particularly like the RapidFire control unit, which is very easy to use and has a very light touch. My initial impression on actually using one was extremely favorable.
I purchased a Shimano SG-7R40 hub, and installed it on one of my own bicycles, an early '70's Peugeot PX-10 racing bike. Parts list, exploded drawing Manual, in German with functional description, power transmission and rebuilding instructions Same, another source Shifting unit, power transmission Troubleshooting Parts list, exploded drawing Manual, in German with functional description, power transmission and rebuilding instructions Same, another source Shifting unit, power transmission Troubleshooting Interchangeability SG-7R40, 41 Parts list, exploded drawing Parts list, exploded drawing (may be older) Interchangeability SG-7R40, 41 Parts list, exploded drawing (same, on alternate site) Installation instructions (same, on alternate site)įind documentation with this search Installation instructionsįind documentation with this search Wouter Pasman's rebuilding instructions Rebuilding instructions, Shimano siteįind documentation with this search Wouter Pasman's rebuilding instructions 23) in German (English translation) Troubleshootingįind documentation with this search Parts list, exploded drawing on alternate site Installation instructions Installation instructions on alternate site Parts list, exploded drawing Functional description (see p.
23) in German (English translation) Troubleshooting Interchangeability Parts list, exploded drawing Axle assembly rebuilding instructions (in German) (English translation) Functional description (see p.
7 speed reading customer reviews manual#
The Shimano Inter-7 hub Dealer's Manual/User Manual page makes many of the documents listed below available in other languages besides English, in case that is your preference.įind documentation with this search Installation instructions, older documentįind documentation with this search (Parts list, exploded drawing on alternate site) Installation instructions Rebuilding instructionsĪxle assembly rebuilding instructions (in German) (English translation) Most parts lists include some compatibility information, and many are formatted similarly so that you can compare them visually (like an astronomer looking at two sky photos in a "blink comparison" when searching for an exploding star or an asteroid). Better lubrication is recommended to forestall this problem and to make cleaning and rebuilding easier. The right-hand hub bearing cup of these hubs is vulnerable water contamination. It can usually be replaced with a newer version as long as the hub is of the same basic type (with or without coaster brake) and in the same series.
The internal mechanism of these hubs is complicated, and the usual repair is to replace it in its entirety. Replacement parts availability is a concern, and so you may have to substitute an internal assembly from a different model. Wouter Pasman's disassembly/reassembly instructions also include this information.
7 speed reading customer reviews how to#
Links in the list below will take you to these documents.ĭid you go too far when tearing down a hub? This site also includes information from reader Keith Lang on how to rebuild the axle unit of the 7-speed hub.
7 speed reading customer reviews series#
Reader Alesu has kindly provided translations from German of technical documents about DG-7 series hubs including rebuilding isntructions for a couple of additional ones. Rebuilding instructions from Shimano in English are available only for one coaster-brake model and one freewheeling model, though others are similar. The newer C3000-series hubs are significantly different from earlier ones, with pawls on the axle rather than the insides of the sun gears. SG-7 series hubs went through several minor design changes, resulting in new model numbers and parts incompatibilities. Overlocknut spacing can be reduced somewhat by using a different locknut and omitting the Rollerbrake, as described on the Rollerbrake page. Shimano 7-speed hubs have a overlocknut spacing from 127 to 130 mm, as sold - see Shimano's overlocknut spacing chart. General information on installation and adjustment of newer Shimano Nexus 7-speed hubs is in the Dealer's Manual. The table links to current Shimano documents, but also to documents generated outside Shimano, or which Shimano no longer offers. The table below lists models of first, coaster brake, then freewheel/Rollerbrake Shimano 7-speed hubs from newest to oldest.
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