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Reviews 1 - 5 (5 Reviews Total)
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Submitted by
Bob
a Weekend Warrior
from Wimauma, FLDate Reviewed: August 2, 2011
Strengths: keeps temperature and silver color matches my bikeWeaknesses: Very poor valve design. I have two Zefal Isotherm bottles and both leak around the valve collar. Water drips down face while drawing water from valve.Bottom Line: Forget Zefal Isotherm - Buy a Polar and you shouldn't have a problem with leaks.
Duration Product Used: 2 Years
Price Paid:
$10.00
Purchased At: Amazon
Similar Products Used: Polar Bottle - I have replaced my bottles with Polar. No leaks. Good valve design.
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Submitted by
Steve
a Cross Country Rider
from Calgary Alberta CanadaDate Reviewed: January 2, 2009
Strengths: It's black. I've got model A1050 which looks a bit different from the photo here.Weaknesses: It leaks from around the cap, especially badly for hot liquids which is what I mainly want it for. I've tried replacing the gasket. It still leaked.Bottom Line: Design flaw -- it leaks like a sieve. I don't use it. So why don't I toss it? Well it looks cool...
Favorite Trail: Elbow Loop
Duration Product Used: More than 3 years
Price Paid:
$10.00
Purchased At: It was a gift
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Submitted by
Roy Duhamel
a Weekend Warrior
from MissouriDate Reviewed: June 7, 2003
Strengths: Keeps liquids colder longer than Polar (I have 4 of those)
Nice pearl colour, fits holder well.Weaknesses: Only 17 oz - Polar has 24Bottom Line: The Zefal is (so far) the best at keeping liquid colder longer. I'll use my Polar bottles during cooler weather.
Favorite Trail: Katy Trail - MO
Duration Product Used: 1 Year
Price Paid:
$8.00
Purchased At: REI
Similar Products Used: Polar, standard non-insulated (yuck) bottles
Bike Setup: Cannondale Road Warrior 1000, Brooks B17 special saddle, thudbuster, cont twister pro (great tires)
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Submitted by
Eric
a Weekend Warrior
from Boise, ID, USADate Reviewed: August 22, 2002
Strengths: Appears to work as advertised in keeping cold stuff cold. Dunno about hot stuff, but insulation is insulation, right? Fits well in holder.Weaknesses: Fixed internal cup design does not allow for squirting fluid out. Only 17oz of fluid capacity.Bottom Line: Bottle fits well in holder, keeps stuff cold, but Zefal should have made internal cup flexible for squirting.
Duration Product Used: Less than 1 month
Price Paid:
$10.00
Purchased At: REI
Similar Products Used: Standard water bottles, most of which broke after pulling on the top a few times. By comparison, REI Sureshot bottle works pretty well with diaphragm top, but does not insulate.
Bike Setup: '99 K2 4000, Noleen crosslink, Shimano M545 clipless, Mythos XC tires
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Submitted by
Chris Matthews
a Weekend Warrior
from OmahaDate Reviewed: July 9, 2002
Strengths: Robust, soft outer shell. Keeps drinks cold/hot longer than any other tried! Very wide neck for ice cubes!Weaknesses: None foundBottom Line: I thought the Polar bottles were good 'til I tried these!
I take 2 of these on a 2 hour ride, half filled with ice then topped up with water... at the end of the ride there is still ice in the bottle! These bottles give exceptional insulation! They don't have that plastic smell/taste like some bottles either!
Favorite Trail: all trails/roads
Duration Product Used: 1 Year
Price Paid:
$10.00
Purchased At: LBS
Similar Products Used: Polar bottle, Maxchill, beer cans, various uninsulated bottles.
Bike Setup: Do you give a rats a**?
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Reviews 1 - 5 (5 Reviews Total)
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