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21 speed mountain bike in Bikes For Sale

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$175.00   3 days ago
Giant Upland 21 Speed Mountain Bike! - $175 (South Philly)

Giant Upland 21 Speed Mountain Bike!Email if your interested...Frame: 14"Stand over 24"21 Speed Gearing26" x 1.195" TiresQuick Release back & front wheels for easy travels/storage

$120.00   3 days ago
26" Mongoose XR-75 21 Speed Full Suspension Mountain Bike - $120 (Twin Falls)

26" Mongoose XR-75 21 Speed Full Suspension Mountain Bike; Black & red in color; Element Racing front shocks with rear adjustable "Best Shock"; Shimano SIS equipped with S-RAM grip shifters; Lightweight aluminum frame; Extra strong aluminum pedals; Mongoose seat with quick release seat post; 26" X 1.95" all-terrain tires on INNOVA alloy wheels with new tube in front tire; Reflectors all around; A

$75.00   3 days ago
Mongoose Men's 21 Speed Aluminum Mountain Bike - $75 (Pooler)

This is a pre-owned Mongoose aluminum mountain bike. Red in color. The bike is a 21 speed bike with front and rear suspension. The bike is exactly as pictured. The front tire needs a new inner tube ($3.81 at Wal-Mart). Otherwise, everything on the bike works fine. Has been garage kept since owned but shows normal wear and tear for a pre-owned bike.

$75.00   3 days ago
Mens 21 Speed Mountain Bike - $75 (Longboat Key)

Mens Pacific Conquest SE , Extended Handlebars, 21 Speed Trigger Shifters, 26 Inch Tires on Alloy Wheels, A Great Bike, On Board Computercall cell

$145.00   4 days ago
Mongoose XR100 26 inch Mountain bike w 21 speed Shimano grip shifters - $145 (S Tyler)

Bike has dual suspension,Promax front disc brakes,linear pull alloy rear with 3 piece alloy crank set and alloy pedals and 36 spoke alloy rims.Aluminum 7000 series.

$150.00   4 days ago
$100.00   5 days ago
21 speed Shimano mountain bike - $100 (Round Rock)

I am offering an excellent-condition 21 speed Shimano "Pulse" equipped mountain bike. It has linear pull brakes, model #8575-10. Tires, brakes, and chain are all in great condition. It is 24 inch.Pick up in Round Rock, cash only. Thanks!

$25.00   5 days ago
Mountain Bike 21 speed - $25 (4 miles South of Dubuque)

I have my MGX DX-R 21 speed Mountain Bike for sale. It has a water bottle holder and a soft Bell seat with flashing lights on the back. It's been a good bike for me, I just upgraded to a Trek. Please let me know if your interested, serious inquiries, cash only. Thanks

$75.00   5 days ago
Dark blue and red Raleigh 21 speed mountain bike & lock - $75 (FSU Campus)

I lost my phone so I don't have a picture, but its a Raleigh mountain bike. It used to be really nice but its been through some years now; everything still works great besides the big gear shifter on the left, but both brakes and the fine tune gears on the right work perfectly. It's a great mountain bike if you aren't looking for something fancy but rather just a mode of transportation. Im willing

$60.00   5 days ago
26" next 21-speed aluminum mountain ridge mens bike - $60 (Plainfield WI)

For Sale:26" next mountain ridge men's bike. Aluminum.Yellow and 2X dual suspension. Power stroke.Shimano 21 speed shift.$60 0r best offer.Cash only- pickup in Plainfield WI.

$30.00   1 week ago
24" Schwinn 21 Speed Mountain Bike - $30 (janesville)

this is a Schwinn 24" chrome 6 speed mountain bike in very good condition. works good. 30.00 please call or text

$125.00   1 week ago
Aspen 21 speed 26 inch Mountain bike brand new in box - $125 (Battle Creek)

Brand new in box 21 speed 26 inch Aspen mountain bike. This bike retails for $499. The first $125 or best offer will take this bike home. Please call

$250.00   1 week ago
Men's GIANT 21 speed Hybrid Mountain Bike - 28" wheels, 21" frame - $250 (Troy)

Very nice and clean GIANT brand Hybrid bicycle. Cross between a Mountain bike and a Street bike. Rides great and everything works. $250.Cypress ST model1020 Custom Steel Tubing21" Frame size28" Wheel size21 speedsSeat shockLarge cushioned seat

$100.00   1 week ago
vintage very nice pacific viper 21 speed mens mountain bike - $100 (gr mi)

i have this very nice vintage in good condition dark blue mens pacific viper 21 speed mountain bike this not a cheap bike at all has all shimano components altus crank which that is nice so this is a huge upgrade than a average cheap bike the tires are nice the brakes are good the seat is wore i can add a newer seat for 10.00 it only needs a minor tuneup which i will leave it up to you because bei

$150.00   2 weeks ago
Mongoose XR75 21 Speed Dual Suspension Mountain Bike - $150

Mongoose XR75 21 speed dual suspension mountain bike, aluminum frame, Shimano equipped, good condition, fresh tune up, ready to ride $150.00 please call

$130.00   2 weeks ago
RALEIGH M20 womens mountain bike 21 speed - $130 (killingworth)

RALEIGH m20 women's mountain "26" aluminum frame quick release rims, tires hardly used call thank u

$150.00   2 weeks ago
Mongoose Ledge 2.1 21 Speed Dual Suspension Mountain Bike - $150

Mongoose Ledge 2.1 21 speed dual suspension mountain bike, aluminum frame, Shimano equipped, good condition, fresh tune up $150.00 please call

$80.00   2 weeks ago
19.5" Haro Escape Mountain Bike 21 Speed w Rock Shox - $80 (Academy)

The bike for sale is a Haro Escape Mountain Bike, 21 speeds, on a 19.5 frame. The wheels are true, the tires are like new, tubes are perfect. The paint has a chips and scuffs and scratches, but NO dents in the frame. Front shock, Rock Shox works perfectly, no leaks. The bike is ready to ride. Call or text Phil

$75.00   2 weeks ago
MIELE 24" YOUTH MOUNTAIN BIKE 241 21 SPEED - $75 (Oxford,CT)


$100.00   2 weeks ago
24" 21 speed girls Nishiki mountain bike - $100

Like new mountain bike ready to ride.

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Last Updated on: April 26, 2017