Tech & Wearables

Week in Tech: Velocio-SRAM, Bontrager 29+, power meter updates, and children’s bikes

The latest tire size trend, SRAM teams with Velocio, Quarq offers power meter trade-in, and high-end kids' bikes, in time for Christmas

Here’s your Week in Tech — all the gear news, tips, and announcements you need and none of the marketing gibberish you don’t.

SRAM steps in as Velocio title sponsor

Component company SRAM has stepped in as the second title sponsor of the Velocio women’s cycling team, formerly called Specialized-lululemon. The squad will be known as Velocio-SRAM in 2015.

The team, which raised about $100,000 in crowdfunding earlier this year, will also be supported by sales of Velocio team clothing, which is now available for pre-order. Team owner Kristy Scrymgeour continues to seek another major sponsor.

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Bontrager’s new Chupacabra 29+ tire

You can never have enough wheel and tire sizes, apparently. 29+ is the latest; it’s not quite a fat-bike tire, and and it might even be compatible with your existing bike. Bontrager’s Chupacabra 29+ tire can be your bike’s big upgrade this winter. It had never crossed our mind that we could cram a 29+ tire into one of our existing 29ers, but thanks to local pro, Brady Kappius, we learned that a 3.0 tire fits just fine in a RockShox RS-1.

Bontrager’s Chupacabra weighs in at a hefty 878 grams, but this tire isn’t about counting grams. At $120 the Chupacabra is pricey. Surly also offers a 29+ tire. Its 29×3” Knard retails for $65 and is available now.

The Chupacabra is expected to hit retailers near the end of this year. We will be logging some time on it soon.

SRM offers spider-only power meters

SRM is taking its renowned power meter and stripping it down to bare bones. It is offering four spiders compatible with Specialized, Cannondale, Rotor, and SRAM crank arms for $1,490 through the SRM website — we have heard that select dealers and coaching companies may offer them for less.

The new products still sound expensive, especially when compared to Stages meters, but when compared to Quarq’s Specialized- and Cannondale-compatible spiders, the SRM spiders are more than $300 cheaper. If you already own a Quarq, and are looking to upgrade to a new power meter, keep scrolling down.

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Quarq trade-in

Quarq is inviting current owners to trade in their old Quarqs for new models. The trade-in program is good through the end of the year, and customers can upgrade to a brand new power meter for $900.

The new power meters are available with Quarq’s new magnet-free cadence measurement, thanks to an accelerometer in the spider. Buyers will have to remove their chainrings and crank arms and send back only the spider. Upon receiving your old spider, Quarq will send out a new spider of your choice.

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Trailcraft Cycles children’s mountain bikes

Mountain bikes for kids are inherently inexpensive and therefore usually very heavy. Trailcraft, based out of Fort Collins, Colorado, hopes to change that with its high-end titanium and aluminum 24” hardtails.

The Trailcraft Pineridge hardtails are designed around Stan’s 24” wheels. Chainstays are quite short, to help children pop the front wheel off the ground, and corner with confidence. Trailcraft created its own cranks with 152mm arms, 32×22-tooth chainrings, and a bashguard to protect it all, as small wheels mean lower bottom brackets.

The Trailcraft bikes will be produced in small batches, but can deliver by Christmas if you order soon. The complete Aluminum Pineridge 24 retails for $1,700 and can be purchased through Kickstarter, but you won’t need to wait for Trailcraft to reach their goal, they’ll ship in a week or two, and it will make a great gift this holiday season — just hope that your kid doesn’t grow out of it too fast.

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