Is this fixed gear or single speed ?
251039
Its a single gear + spacers that can replace a multi-speed cassette. This has no effect on fixed or single, that's determined by your hub.
251040
This allows you to remove the entire cassette from a freewheeling hub and replace it with a single cog. The spacers are different sizes which allows you get the best chain line possible.
251041
Single speed but you have to have a freehub (http://upload.wikimedia.org/wikipedia/commons/thumb/8/89/Nabe_01_KMJ.jpg/220px-Nabe_01_KMJ.jpg) already on your wheel. It basically just replaces all your different gears with spacers.
1976674
It is neither, it is a 14 speed. There are two chain rings in front and 7 cogs in the back. You shift the chain from side to side which gives you a total of 14 speeds. It is probably easier to think of it as having two ranges of gears, a high and a low range which you select by shifting the chain between the two front chain rings. You then have 7 speeds within each of these two ranges selected by shifting the chain side to side on the rear 7 cogs. Hope this helps! Bill
84292
No, it just mean that you don't change gears. It is not a 10 speed, it is one speed.
1878557
Single speed...has lots of power so that's probably not a good thing to have a higher speed. I had to cut some very tall grass and it didnt have any issues.
1298515
It's one speed. The bike is cheap but the rack is awesome. I changed the handlebar to "ape hanger" to fit my bigger size. I'll try including a picture later.
1433931
It is a single item for the front derailleur (usually the left handlebar) here is what you need for the right side Shimano ST-EF51(LL)4A Shift/Brake Rear (Black, 7 Speed) if you have a 7 speed cassette
187887
No. Single speed. Best use is for cutting pipe, all thread, and items used by electricians, plumbers.
1729366
Yamaha 7210 Single Foot Pedal with Single Chain Drive. It is available in Amazon.
90529
Its a 14 speed. I made that mistake when I ordered one thinking it was 21. But It's still a nice bike, a little heavy with close to no instructions to set it up, but still rides pretty smooth.
881054
There's nothing on the motor or gearbox showing the gear ratio but my 30rpm version does have a Tel. number printed on the label. (probably not US though) 0755-83684763
44367
Its hard to say. If you are planning on riding fixed gear, then expect there to be a learning curve. If you plan on just using the single speed/free gear, then you would probably be just fine. If you are unsure if fixed gear is for you, then I recommend to do a bit more research before buying. All that being said, I love my PureFix bicycle.
1117850
The left shifter is two speed friction, I haven't run a triple with it but you may be able to rig it; the right shifter is 7 speed indexed.
664149
It is a single speed bike. The front crankset has 40 teeth and is fixed to a 140 mm arm made by Proarm. The rear free wheel has 16 teeth and is made by Long Yih Industry Co. If you convert the numbers into gear inches it comes out to be 57.5. You won't break any speed records with this gear range. I ended up swapping mine out for a 170 mm crankset with a 50 tooth chain ring made by Mojo. I beat the hell out of it all winter in upstate NY and it's still running great. Not bad for $36 dollars.
1201478
No pinion gear. It comes with a one way bearing and a pull start. No flywheel. No clutch shoes. Spur gear is on your transmission.
1802554
Its double sided so you can use it as a single speed or fixed. Its a great purchase.... I've been more than satisfied.
1912177
It has both a fixed gear cog, meaning the pedals are always in motion if the bike is moving, and a freewheel cog, meaning the rider can coast without the pedals rotating. Each is installed on opposing sides of the rear wheel hub. Hope that answers your question.
2271059
Yeah, i got both. I bought shimano shifter 2 times and i suspect you always get both. Don't know if they make singles.