At road.cc every product is thoroughly tested for as long as it takes to get a proper insight into how well it works. Our reviewers are experienced cyclists that we trust to be objective. While we strive to ensure that opinions expressed are backed up by facts, reviews are by their nature an informed opinion, not a definitive verdict. We don't intentionally try to break anything (except locks) but we do try to look for weak points in any design. The overall score is not just an average of the other scores: it reflects both a product's function and value – with value determined by how a product compares with items of similar spec, quality, and price.
Good scores are more common than bad, because fortunately good products are more common than bad.
The Zefal Pulse B2 bottle cage is light, easy to use and offers excellent drink retention for not a lot of cash. It comes in a range of colours too, so you can tie it in with your bike's paintjob.
The Pulse B2 is manufactured using two different materials: a reinforced composite structure for the main body, which brings strength and rigidity to the mix, and a technopolymer resin for the 'wings' to offer some flexibility to allow for different bottle sizes.
For most of the test period I used the Zefal on a Pinarello Grevil gravel test bike, and smashing it over the local trails saw no issues with bottles flying out, even on the fast sections.
There is a lot of flex at the extremities of the cage to clamp the bottle in place, which means you can use bottles of different diameters. I've got quite a collection of brands in the cupboard that vary in diameter and they all stayed put.
The spring in the outer body means that inserting and removing the bottle is easily defined, with just a firm grasp to withdraw it and a bit of force to relocate it.
With a circular hole for the top bolt and a slot for the bottom one, there is some adjustment for fitment to your frame in case the bolts are slightly out, although most bikes don't really need it.
On the whole, it is a quality bit of kit. It seems well made and durable plus I like the shape. It comes in a range of 10 colours, too: blue, green, yellow, orange, red, dark blue, black, grey, white and pink, all with black inserts and graphics.
At 31g it's also pretty light.
As for value, you can get this style of bottle cage for around six quid in various places over the internet, but when you compare the rrp to others we've tested it isn't bad value for money and they always make more sense than carbon fibre when it comes to pounds per gram.
Overall, the Zefal is the right ball park when it comes to price and weight, plus it does a very good job of keeping your bottle in check.
A decently priced, lightweight cage that'll hold your bottle snug
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road.cc test report
Make and model: Zefal Pulse B2 Bottle Cage
Size tested: n/a
Tell us what the product is for and who it's aimed at. What do the manufacturers say about it? How does that compare to your own feelings about it?
Zefal says, "With innovative construction, the Pulse B2 bottle cage combines two materials with distinct properties. The centre of the reinforced composite structure brings the necessary rigidity to reduce vibrations and ensure excellent bottle retention while the technopolymer resin offers flexibility and lustre to the bottle cage to facilitate its use."
It's an all-round decent bottle cage for the money.
Tell us some more about the technical aspects of the product?
Only 31g. Lighter than a carbon bottle cage.
Resistant material at its centre. Light and flexible on the outside.
Easy bottle insertion and removal.
Adapts to different bottle diameters.
Tell us how the product performed overall when used for its designed purpose
Even on rough surfaces it held the bottle tight.
Tell us what you particularly liked about the product
Great bottle retention.
Tell us what you particularly disliked about the product
There is nothing to really dislike.
How does the price compare to that of similar products in the market, including ones recently tested on road.cc?
For the type of cage that it is, it's exactly where it should be really.
Did you enjoy using the product? Yes
Would you consider buying the product? Yes
Would you recommend the product to a friend? Yes
Use this box to explain your overall score
Nothing groundbreaking in terms of weight or price against a lot of the opposition, but it looks good and does its job very well. It's easily a 7, but I think its ability to hold a variety of sizes securely nudges it up to an 8.
About the tester
I usually ride: This month's test bike My best bike is: B'Twin Ultra CF draped in the latest bling test components
I've been riding for: Over 20 years I ride: Every day I would class myself as: Expert
I regularly do the following types of riding: time trialling, commuting, club rides, sportives, fixed/singlespeed
With 20 years of road cycling and over 150,000 miles in his legs it's safe to say Stu is happiest when on the bike whatever the weather. Since writing his first review for road.cc back in 2009 he has also had a career in engineering including 3D-CAD design and product development, so has a real passion for all of the latest technology coming through in the industry but is also a sucker for a classic steel frame, skinny tyres, rim brakes and a damn good paintjob.
His fascination with gravel bikes is getting out of control too!