Das Shimano Capreo System: Unterschied zwischen den Versionen

Das Shimano Capreo System (Quelltext anzeigen)

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-* Bigger Chainrings
+===Größere [[Kettenblatt|Kettenblätte]]r===
-** If you have 406 mm (20") wheels, you would need to install an 69 tooth chainring to be equivalent to a 52 tooth with common 622 mm wheels.
+* If you have 406 mm (20") wheels, you would need to install an 69 tooth chainring to be equivalent to a 52 tooth with common 622 mm wheels.
-** If you have 349 mm (16") wheels, you would need to install an 86 tooth chainring to be equivalent to a 52 tooth with common 622 mm wheels!
+* If you have 349 mm (16") wheels, you would need to install an 86 tooth chainring to be equivalent to a 52 tooth with common 622 mm wheels!
-** Even if you could find such big chainrings at an affordable price, you could never find a front derailer that would do a decent job of shifting it.
+* Even if you could find such big chainrings at an affordable price, you could never find a front derailer that would do a decent job of shifting it.
-* Internal Gears
+===[[Nabenschaltung]]===
-** A planetary internal gear system, either built into the rear hub or the bottom bracket can be used to to supplement the derailer gearing, and give a decent high gear. These systems are expensive, heavy and lose efficiency to friction, so they're not universally popular.
+* A planetary internal gear system, either built into the rear hub or the bottom bracket can be used to to supplement the derailer gearing, and give a decent high gear. These systems are expensive, heavy and lose efficiency to friction, so they're not universally popular.
-* Smaller Rear Sprockets
+===Kleinere [[Ritzel]]===
-** This is potentially the simplest and least expensive way to go, but until recently this was not an option. The smallest sprockets generally available have been 11 teeth, not enough to give a serious high gear with normal-sized chainrings.
+* This is potentially the simplest and least expensive way to go, but until recently this was not an option. The smallest sprockets generally available have been 11 teeth, not enough to give a serious high gear with normal-sized chainrings.
+* Special, very expensive freewheels with 9-tooth sprockets have been available for Moulton bikes, but Moulton has been reluctant to market them to owners of other brands of bikes.
-** Special, very expensive freewheels with 9-tooth sprockets have been available for Moulton bikes, but Moulton has been reluctant to market them to owners of other brands of bikes.
+* Enter the Shimano Capreo system! This is Shimano's first group intended specifically for small wheel bikes. The Capreo system includes:
+* FH-700 Freehub.
-** Enter the Shimano Capreo system! This is Shimano's first group intended specifically for small wheel bikes. The Capreo system includes:
-** FH-700 Freehub.
 ** Special 9-speed Freehub, 135 mm spacing, 24, 32 or 36 holes.
-** CS-HG70-s Cassette
+* CS-HG70-s Cassette
 ** 9-10-11-13-15-17-20-23-26 tooth sprockets.
-** RD-700 Rear derailer.
+* RD-700 Rear derailer.
 There are other items included in the Capreo "group" including brakes, rear derailer, crank, shifter, but there is nothing all that special about those. Even the Capreo rear derailer is not necessary to the system, but the Capreo cassette and Capreo Freehub must be used together.