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Blackburn
SP-1 Seat Post Rack
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Submitted by
martin spencer
a
from necastle
Date Reviewed: November 27, 2004 | | Duration Product Used: | Less than 1 month | | Strengths: | Quick relise system makes it extremely easy to install and relise it. | | Weaknesses: | side lower triangle (were the bottom of the bag fastnes) | | Similar Products Used: | N/A | | Bike Setup: | specialized hardrock sport disk | | Bottom Line: | its crap. it lasted me a week and broke. the metal fatigued at the top of the side triangles, bend inwards, and even touched the spokes. if it had some sort of re-enforcement on the sides to stop it from bending, this would be the dog's bollocs of racks. | Value Rating: Overall Rating: |
Submitted by
Pete B
a Weekend Warrior
from Melbourne, Vic, Australia
Date Reviewed: August 17, 2000 | | Duration Product Used: | 2 Years | | Strengths: | Light Weight, Inbuilt tiedowns | | Weaknesses: | Too lightweight, Inbuilt tidowns break | | Similar Products Used: | none | | Bike Setup: | Hardtail with slicks for urban commute | | Bottom Line: | Mine Broke. A mates Broke. I expect the warranty replacement will break too.
There is a basic weakness where the seatstem collar and the main triangular rack tube meet. As is to be expected the weld did not fail rather the metal fatigued just beyond the weld.
Mine was never overloaded but I ALWAYS carried a Kryptonite U-Lock while commuting and I think that the rack is not built for a continuous load. | Value Rating:Overall Rating: |
Submitted by
Joe Townsend
a Weekend Warrior
from Ottawa, ON
Date Reviewed: October 18, 1999 | | Favorite Trail: |
many | | Duration Product Used: |
less than 1 month | | Strengths: |
Concept is ok | | Weaknesses: |
Poor workmanship | | Similar Products Used: |
none | | Bike Setup: |
Trek VRX 400 | | Bottom Line: | The product needes improving, signifigantly.
The whole assembly rattles (I shimmed it with a piece of rubber). The angle is poor (it slopes down). The mount for a Kryptonite lock does not fit an Evolution 2000 without cutting away plastic or the cover will not lock. I expected a better product. | | Overall Rating: |
Submitted by
TC
a Weekend Warrior
from Sydney
Date Reviewed: September 22, 1999 | | Duration Product Used: |
1 Year | | Strengths: |
Design concept
U-lock capacity
Tailight capacity | | Weaknesses: |
Seat post mounting
Durability | | Bike Setup: |
Apollo 7005 frame with a 31.2 seatpost | | Bottom Line: | Like the previous reviewer I'd describe this as a good idea that's flawed in the execution.
For a start if your seatpost is thicker than around 29 diameter (that's an estimate) you'll have to bend the collar to fit the rack on your bike at all. That puts more strain on the quick release ended bolt that holds it on... the rubber tiedowns must wear out at some stage... and there aren't good anchor points for other straps.
That said it's a good way to carry a u lock... with aspecial slot under the rack... and you can mount a tailight on it... and it makes a slightly effective mudguard. A year on mine hasn't worn or broken... but of course you'll never be able to put the weight on it that you can on a frame supported post | Overall Rating: |
Submitted by
Barry Amundson
a weekend warrior
from San Francisco
Date Reviewed: January 15, 1998 | | Bottom Line: |
The rack assembly developed a number of problems over the last month- and It is a total of about 2
months old. The weight limit was never exceeded, and the use ranged mostly in city riding/commuting
although the problems that I am describing here were magnified by bumpier and more vibration prone
conditions caused by trail riding. These I think would expect to be normal riding conditions for the product
since it is marketed as a mountain biking product.I think the design of this rear rack is faulty from the beginning- with 1 small screw holding the plastic rack
to the metal arm it is inevitable that this area should be stressed and eventually break in a short amount of
time. And the top lid portion of the rack is held by small plastic nubs that hold the piece on place- with a
small amount of vibration this assembly will shake lose and pop off. As these nubs are worn down the
frequency of the lid poping off increases. Also this is aggravated by the fact that this is is the assembly that
holds the rear light, which is another thing to loose when this assembly pops off. An items which hasn't
broken yet, but I believe will, is the rubber stretch cord assembly, which on my rack is becoming
somewhat frayed and rough looking. I think that this rack is a great idea, (especially the built in ability to carry a U-lock, one of the most
irritating things to carry on your bike if you are going mountain biking and expect to stop somewhere along
the way where you will have to lock your bike up...) but there are aspects of the design that should be
looked at: Why have a little pop up 'trunk' anyway? If you carry things tools in there they will just rattle
around, which is a very irritating situation, and especially irritating if the rear trunk lid is prone to poping off
and spilling the contents of the trunk out all over the road (it happened, not only to the tools, but to the light
that was attached to this assembly, breaking the lens and sending the batteries into bushes) Also, making
the rack two pieces that are held together by one small screw, and worse yet this screw is placed an eighth
of an inch away from the edge of the plastic assembly (this is where it cracked on mine) is ludicrist if you
consider that an assembly like this is only as good as it's weakest part. I would have the rack made
completely out of the metal material that your other racks are made from- skip the cheesy plastic. And
make the entire thing more bungee cord friendly, and better quality rubber stretch cords that won't get
brittle in the sun (I can see it happening to mine).Great idea, poorly executed through shoddy materials and design. | | Overall Rating: |
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