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Don't be limited by stock gearing
You can have LOWER GEARS 
Any way you want them for steep climbs

for high altitude

for easier climbing

for maximum efficiency

a necessity for loaded touring

great for recumbents, trikes and hand cycles

Mountain Tamer Triple
Mountain Tamer Quad Plus
Mountain Tamer Quad
Chainrings
Gorilla Brake Beefers
Gorilla HeadLocks
Ordering Information
Support and F.A.Q.
Abundant Adventures Trail Guides
Photo Gallery
Abundant Adventures  Website
MOUNTAIN TAMERTM TRIPLE $22.95    more info
Replaces standard small chainring

Allows from 17 thru 34 teeth in the triple position

Can be used as a quad if triple chainring is 26T or larger   

Works with indexed front shifters including Rapid-Fire
when used as a triple

Works with oversize 88mm bottom bracket shells

Quick and easy to install

Very easy to change sizes

Splined chainrings

Works with 5 arm cranksets having a 74 mm bolt circle diameter

(includes wave spring and retainer)

MOUNTAIN TAMER QUADTM PLUS $39.95 Replaces standard small chainring with 17 thru 34 teeth   more info

Adds a 4th chainring with 16 thru 34 teeth

Works with oversize bottom bracket shells

Very easy to change sizes

Splined chainrings

Allows wide range of gearing with optimal gear spacing

Works with 5 arm cranksets having a 74 mm bolt circle diameter

(includes wave spring,spacer and retainer)

MOUNTAIN TAMER QUADTM $49.95 Adds a 16 thru 21 tooth chainring in the 4th position

Used with standard triple chainring

Very light weight - 59 grams with 16 T

Allows wide range of gearing

with optimal gear spacing

Threaded chainrings

 
 

All Mountain TamerTM adapters work with cranks having
standard  74mm bolt circle  (43.4mm hole spacing) 5 bolt pattern only.
They are not compatible with 4 arm cranks or cranks with 68mm BCD.


CHAINRINGS
Splined - 16-17 teeth         16T, 17T sold out

Splined - 18-22 teeth $5.95 ea.    

Splined - 24 teeth             24T sold out

Splined - 26 teeth  $7.95

Splined - 28, 30, 32 teeth $8.95 ea.   32T sold out

Splined - 34  teeth $12.95 ea.

Splined - 38 teeth $14.95 ea.

Threaded - 16-17 teeth $13.95 ea.     17T sold out

Threaded - 18-21 teeth $6.95 ea.     20T sold out

110mm 34 teeth inner  $19.95 ea.

74mm 24, 26, 28, 30 teeth triple - inquire

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MicroDrive 20 teeth  56mm bolt circle (5 bolt)  $19.95 ea.  sold out

Compact 20 teeth  58mm bolt circle (5 bolt)  $19.95 ea.
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Chainring Bolt Set (5pc) $7.49
8mm dia. x .75mm x 8mm long short head
Required when using 17, 18, or 19 tooth rings with Mountain Tamer Triple adapter.

Chainring Bolt Set (5pc) $11.49

8mm dia. x .75mm x 15mm long
Required when using the adapters over existing triple chainring, when crank has spacers instead of bosses

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Replacement Spacers/Retainer
BD spacer for Mountain Tamer QuadPlus $2.00
Wave spring for Mountain Tamer Triple or Mountain Tamer Quad Plus  $2.50
Retainer for Mountain Tamer Triple or Mountain Tamer Quad Plus  $1.50
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Fixed Cup Spacers $1.50 ea.
Allows fine adjustment of the chainline by shimming the cup away from the frame.
Chainring Bolt Spacers $2.95 set of 5
Allows fine adjustment of the chainring by shimming the adapter away from the crank.
Metric Tap 8.0mm x .75mm $7.75
Used to tap the chainring bolt holes if you need to make them deeper.
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133mm CR-MO spindles $8.75 
Most bikes require a longer crank spindle to run a 4th chainring.
This is the longest spindle available for square taper. (JIS)
Bolts are included.

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Sealed BB Cup Set (special order)
Used with 133mm spindle above.
1.37 x 24tpi
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Sealed Cartridge Bottom Brackets (special order)
YST 68 x 127 mm  $24.95
Others available special order  Lengths to 127.5 mm

** Call or email for price




GORILLA BRAKE BEEFERS  19.95  Special price $12.95 each or $19.95/pair
Brake posts flex causing loss of braking power, loss of modulation, and spongyness.
These really work!  If you don't have these  on your brakes, you need them!
   for cantilevers
Want better brakes without the weight and expense of disc brakes?
Boost braking power!

Frames and brake post flex. 
Stop spongy brakes.

Improves modulation
Used with linear pull brakes you can lock either wheel with your little finger.

A must for trialsin

  for cantilevers - 50gm.   black, red, blue or bare*
  Required bolts, washers and spacers are
included

*  Bare is not anodized.  These may be  polished  using a polish such as Simichrome to achieve a shiny finish or they may be painted or powdercoated for a custom color.

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GORILLA BRAKE BEEFERS
$19.95  Special price $9.95 each or $14.95/pair


f
or U-brakes or roller cam brakes

  23gm. black, silver, red, green,  blue, purple, gold
  Required bolts, washers and spacers are included

If you have a U-brake, you really need these. 


<> GORILLA HEADLOCK 1"  1-1/8"  1-1/4" $19.95
Headset keep coming loose? Stop loose headsets forever.
Put it on and forget it!
For threaded headsets.
Also permits adjusting, maintance, etc. without needing a large wrench.
Great if your cyclo-touring.
Standard Special price $6.95
   silver
 



Ultralight
Special price $9.95
   silver, black, blue, purple 
    all colors may not be available in all sizes


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 MOUNTAIN TAMER QUADTM T-Shirts
Has Mountain Tamer logo front and back
Very few left - while stock remains - large only

   Short sleeve   Sold out

   Long sleeve $15.95  $10.95

Mountain Tamer made in U.S.A - Since 1987

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Ordering Information

Sorry I don't have a shopping cart.

Most people have questions and I want to make sure you get answers.

Shipping and handling is usually $5.00 for small items, but may vary.
Priority Mail  available. Request price information.

We accept PayPal, money order, or check

No other addresses will be accepted.

International orders require US funds drawn on a US bank
PayPal is the easiest way to go.

We will ship anywhere we are allowed to.

To order: email, call or write for prompt personal service

NTU ENTERPRISES
12644 Yorba Linda Dr. SE
 Albuquerque, NM 87123-3885

(505) 294-3368


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1/6/2010