my bike is vary good and i want to know what shimano is and i want to know any tune ups i can get.
my bike is vary good and i want to know what shimano is and i want to know any tune ups i can get.
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Any bike that HAS TO stamp or sticker something on the bike that says, "Shimano equipped" is hiding the fact that it's most likely low end Shimano components. They make parts for probably 99.999% of all the bikes in the world. They range from very good to kind of poor - depending on the price of the bike.
Tune-ups on a regular basis is a good idea for any bike. You can take it to a real bike shop for a check-up at least once a year (depending on how much you ride), or learn to adjust brakes, derailleurs, etc. on your own. Many links below. A well tuned bike is a happy bike, no matter what the original cost. Even a $150 bike from Wally World will last longer if properly adjusted.
This Site Might Help You.
RE:
I have a XA-75 mongoose 21 speed and it says shimano eqiupped?
my bike is vary good and i want to know what shimano is and i want to know any tune ups i can get.
Shimano is a bicycle component manufacturing company. They make bike parts at all levels of quality. Usually, if the bike only has "shimano eqiupped" on it, it means that the components are lower quality. 21 speed components are at the low end of the quality scale. the upper end components are for 27 speed component groups. As for tune ups, consult with the mechanic at the shop where you bought your bike. If you bought it second hand, you will have to pay to have work done, or learn to do it yourself
Shimano makes parts for bikes. Sometimes they put their name on cheap components just so they can say it's Shimano equipped. You won't find those components listed on their web site. The same thing goes for department store Mongoose and Schwinn bikes, the good ones are sold in bike shops. You won't find your bike listed on the Mongoose web site.
http://bike.shimano.com/
http://www.mongoose.com/usa/usaeng/
Edit:
Do you own tune ups, deparment store bikes will nickle and dime you to death if you have to take them to a bike shop for adjustments all the time. You could upgrade the rear derailluer for cheap and see a lot of improvement.
http://bicycletutor.com/tune-up/
The It is all about maintaining a cadence pace of 70+ rpm, with MODERATE pedal pressure. For that you need gears. The right hand gears control the rear (wheel) cogs. The larger cogs are easier (lower) and the small ones are the harder (higher) and faster gears. The left hand controls the three gears (chain rings) attached to the pedal. You use the smallest one only for going up steep hills. You use the larger two for the flats and down hills. On a mountain bike I would almost always be in the biggest chain wheel (controlled by the left hand) and I would use the right hand gears to keep my spin rate and pedal pressure. SEE BELOW Pedaling is the most important part of riding. You spin the pedal at a high cadence of 70+ rpm with moderate pedal pressure. You use the gears to maintain that same cadence and pedal pressure through out your ride, on all terrain. Do not 'mash' the pedals.... pedaling at too slow of a rate in too high / hard of a gear. Read up on spinning and shifting, or ask in this forum. It is the key to your being able to ride distance, with speed, without fatigue. Soccerref