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Bumper Knockbox - Key Barlow's Review
Posted: May 16, 2006, 6:13pm
review rating: 8.5
feedback: (0) comments | read | write
Bumper Knockbox
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More About This Product
Arrow The Bumper Knockbox has 3 Reviews
Arrow The Bumper Knockbox has been rated 8.80 overall by our member reviewers
Arrow This product has been in our review database since December 12, 2006.
Arrow Bumper Knockbox reviews have been viewed 18,425 times (updated hourly).

Quality Reviews
These are some of the best-written reviews for this product, as judged by our members.
Name Ranking
Jim Pellegrini 9.00
Key Barlow 8.50
Paul Wood 8.50

Previous Review  
Ratings and Stats Overall Rating: 9.6
Manufacturer: Just Java Ltd. Quality: 10
Average Price: $70.00 Usability: 10
Price Paid: $40.00 Cost vs. Value 10
Where Bought: Just Java Aesthetics 9
Owned for: 1 week Overall 9
Writer's Expertise: I like coffee Would Buy Again: Yes
Similar Items Owned: Grindenstein Knockbox
Bottom Line: Well designed and well built it is the "mother" of all knockboxes!
Positive Product Points

Large capacity
Brushed stainless steal tub looks great
Understated logo design
Spare gaskets, bump bars included
Certainly a nice match with any stainless steel espresso machine

Negative Product Points

None so far, however if counter space is at a premium "Bumper" may be too large for your kitchen.

Detailed Commentary

This is a very large knockbox. How large? It is the size of my five year old son's head. Will easily hold 30 wet pucks.

Knockbox arrived quickly and neatly packed. Inside was the large stainless steel tub, bottom gasket, top gasket (1 spare), bump bar (2 spares), 2 bump nuts, threaded steel bolt and thoughtful directions written in both English and Japanese.

Brushed stainless steel tub is exactly the same color and texture as my La Cimbali Jr. grinder. The bottom rubber gasket fits snuggly around the base of the tub insuring non-slip contact with kitchen counters or tabletops. The upper gasket slides over the top edge of the tub. Center bolt and bump bar are held in place by the two outside nuts (bolt and bump bar are a nice, snug fit inside the tub). Assembly/disassembly takes about 10 seconds.

A quick smack on the center bar easily dislodges any espresso puck. Noise is not an issue, fairly quiet.

"Bumper" rinses out easily with water. Really too large to place unit in a diswasher.

In a commercial setting (next to 3 or 4 group machine) this knockbox would be the perfect accessory. On the table next to my 1 group machine this knockbox is almost too large. It is four times larger than the Grindenstein it replaces.

Should outlast my espresso machine. Side nuts and center bolt are heavy and secure.

Buying Experience

Couldn't have been easier. Sent Paul Pratt at Just Java an e-mail and he took if from there. Wonderful service.

Previous Review  
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review rating: 8.5
Posted: May 16, 2006, 6:13pm
feedback: (0) comments | read | write
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