Posts Tagged ‘bicycle tires’

Specialized tire testing II

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In search  of the holy rubber…

Following up on earlier tire testing in Stellenbosch*, Specialized’s tire whiz guys came up with 5 new prototypes to test. The goal is to make a tire that is very puncture resistant, but still rolls well and doesnt weigh as much as a tractor tire.

*Read earlier blog Tire testing Stellenbosch.

We know we have great tread patterns in the Fast Trak LK and The Captain, its  a matter of making  a strong, light, flexible casing. With an emphisis on STRONG.

Yesterday we tested rolling resistance of the 5 prototypes and also a few competitors’ tires. First I rode the rollers with a Power Tap and took Wattage outputs at 25km/h and 35km/h. Some tires needed 560 Watts to go 35km/h, and with the cold legs, the unfamiliar rollers, and keeping the speed at exactly 35 at 1500m altitude took some huffing and puffing!

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Specialized tire testing camp in Stellenbosch

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Burry Stander doing rolling resistance testing on the rollers. He rode at 25km/h and at 35km/h with about 20 different tires and measured the wattage needed to hold those speeds for each tire. On the right (reading the power  tap numbers) is Benno Willeit, our Specialized mechanic, and on the left is Tire Specialist Frank Stacey.

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Cavegirl on the way!!!

Cavegirl on the way!!!
Liezel and I are happy to announce our baby girl on the way! We are 23 weeks in, #PrincessHotstuff is fit and trim, and for me, time is not moving fast enough!  Due date 15-5-15. Suuuuper excited prix viagra en pharmacie! With these genes, she’ll be shooting hoops while wheelie-ing at the age of 3. […]
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Being the Caveman is hard work- have been busy…

Being the Caveman is hard work- have been busy…
As you all know, its easy to overindulge and pack on the pounds during the festive season, so Cross Training is a key ingredient to keeping the Caveman fit and flexable. Gotta keep on top of skills training too. Breakfast sure wasnt pretty. But its all part of the food chain… Like I said, being […]
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Caveman wins in mountain region of Scanno at XTERRA Italy

Caveman wins in mountain region of Scanno at XTERRA Italy
XTERRA Italy has the most amazing course! Parts through the old mountain town of Scanno. To the tune of "eye of the tiger" (thanks DJ Jack!) Caveman wins XTERRA Italy by 4 minutes. XTERRA Italy made is debut in the idyllic mountain town of Scanno, in the province of Abruzzo. In terms of the culture […]
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Caveman’s specialized equipment choices in quest for 7th World title

Caveman’s specialized equipment choices in quest for 7th World title
#aeroiseverything #soisfattyres #dittohorsepower ITU Cross Triathlon Worlds 2013 Long version Cross Tri Worlds Highlights. (Short version- 2.40) Racing through the dunes, stairs and sidewalks of Holland proved a fertile ground for innovative equipment choices.  From the video you can get a feel for the course- but the real test was the long sections of deep, […]
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a Caveman car for a Caveman situation…

a Caveman car for a Caveman situation…
Caveman’s Stellenbosch Kelfords Ford Fietsta Ambiente 1.4 [Open letter to friend and owner of Kelfords Ford and Mazda in Somerset West, South Africa] Dear Tristan, Thank you very much for the use of your wonderful little Ford Fiesta. We love the fuel economy, (5.9L per 100km) the nippy handling, the voice activated, hands free phone […]
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Cheers to a remarkable 2012

Cheers to a remarkable 2012
18 races, 1 World Title (ITU Cross Tri), my 10th XTERRA USA Series title, 10 victories, 16 podiums and many many special memories. My sporting highlight was winning my 2nd ITU Cross Triathlon World Title in Pelham Alabama, USA. a Personal highlight was sharing the entire year and all the remarkable experiences with my gorgeous […]
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