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Culprit Bicycles crowdfunding for stem that hides Di2 junction box and Sram eTap BlipBox

The stem hides the electronics from all the big three groupset manufacturers, and Culprit are promising a 3 watt saving over using a regular stem with wires exposed

Culprit Bicycles are crowdfunding on Indiegogo for a new aero stem that hides Di2, eTap and EPS junction boxes, plus tidies up the cables for any type of groupset to save you 17 seconds over a 20 minute time trial according to the brand themselves. 

Culprit Roadi launched

Well known already for their bikes, Culprit have made the move towards accessories instead, and alongside the new stem they're also crowdfunding for adjustable clip-on aerobars and a saddle bag with tool included. The Aerodynamic Stem is suitable for 'most road and tri bikes', and is available in lengths of 90 through to 120mm. The difference here is that the cables aren't locked into place, and the three-piece design of the stem means cables can be accessed easily for additional set-up and adjustment. Culprit claim it's the only stem that can fully hide a Sram Blipbox, and they're also working on finalising an integrated out-front Garmin mount for it too (shown above). 

culprit mechanical.png

It also cleans up mechanical cables with ease

As we're now seeing some of the latest wave of aero road bikes with completely clean front ends, including the top-of-the-range BMC Teammachine and the updated Giant Propel, it's potentially a good solution for those who want similar aero savings on their current bikes without the same level of integration. 

Culprit's other options on their Indiegogo page are a set of easily adjustable clip-on aerobars for a $90 backing (35% off the eventual RRP) and a saddle bag including tools for a $65 backing (also 35% off the RRP), with the stem estimated to ship out in April 2018. We have one of the saddle bags in for test and will be reviewing shortly - check out Culprit's Indiegogo crowdfunding page for more details.   

 

Arriving at road.cc in 2017 via 220 Triathlon Magazine, Jack dipped his toe in most jobs on the site and over at eBikeTips before being named the new editor of road.cc in 2020, much to his surprise. His cycling life began during his students days, when he cobbled together a few hundred quid off the back of a hard winter selling hats (long story) and bought his first road bike - a Trek 1.1 that was quickly relegated to winter steed, before it was sadly pinched a few years later. Creatively replacing it with a Trek 1.2, Jack mostly rides this bike around local cycle paths nowadays, but when he wants to get the racer out and be competitive his preferred events are time trials, sportives, triathlons and pogo sticking - the latter being another long story.  

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