Is the number of grears that your bike has measured in the back cassette alone or is it also in combination with the front Chainring? My Trek has Shimano 105 gears.
Thanks,
John
Cycling Equipment · Public discussion
Gear Question
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- 13 June 2006
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jhigga15 said:
Is the number of grears that your bike has measured in the back cassette alone or is it also in combination with the front Chainring? My Trek has Shimano 105 gears.
Thanks,
John"105" is the Shimano model (better than the Shimano Tiagra, but not as good as the Shimano Ultegra), but it is not the number of gears😉
In the old days, the number usually referred to the total number of combinations. A "10-speed" had five gears on the casette and two chainrings, for 5 x 2, or 10 gear combinations. Now, when someone refears to 7, 8, 9 or 10 speed, they are referring to the number of gears on the casette. If, as advertisements for low-end department store bikes often do, someone says "24 speed", then they are referring to the combinations (8 speed casette with a tripple chainring 8 x 3 = 24).
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