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May 16, 2024 at 16:24
May 16, 2024

SRAM XO Eagle Transmission Crankset w/ BB 170mm

$200 USD
Brand new SRAM XO Eagle Transmission Crankset with Dub Wide bottom bracket. This is a take off from a new groupset and has never been used or installed. It's gone straight from initial unpacking, to the Pinkbike BuySell page. Buyer pays PayPal/Venmo fees & Shipping Specs: 2024 SRAM XO Crankset Dub Wide Bottom Bracket 170 mm Cranks 32 tooth T-Type chain ring Bash guards installed Original BB spacers and crank washers included OEM Part Number: FC-X0-D1 https://www.sram.com/en/sram/models/fc-x0-d1

mbassani henryquinney's article
May 15, 2024 at 11:41
May 15, 2024
Review: Motion Instruments System 2 Data Acquisition Kit
@RobMI: Great to see a range of sample rates supported for different use cases. I assume at 1KHz you either run out of memory buffer or storage on an epic ride? I'd like to be the dissenting opinion on not liking to read the manual. There is very little in this world better than good documentation. I skimmed the Motion IQ documentation and I am impressed at not only the verbosity, but also giving real world comparisons of what to look for in a users data. Bonus points if you allow an export of data or CAN recording so I can parse the data using 2D Analyzer on a desktop. The "Magic algorithm" for set everyone up is a challenge for sure, the biggest variable not accounted for is an individuals frame modulus of elasticity. The frame is just a big spring at the end of the day. You're likely past the point of needing testers, but if not, and you want one let me know. Otherwise I'll likely end up buying a kit anyways.
mbassani henryquinney's article
May 15, 2024 at 9:20
May 15, 2024
Review: Motion Instruments System 2 Data Acquisition Kit
I work in pro motorcycle road racing as an engineer and dabble in MTB's for fun, so this might be my first ever comment. Solutions like these have been popping up more and more and I am very happy to see, especially at this price point. The data acquisition partner we use for our Superbike (2D Data Recording) has been dabbling in MTB/E-MTB data acquisition as well, and they're the industry leaders in our space, I fully expect this segment of the MTB market to develop rapidly. The Motion Instruments solution in place of a traditional front/rear linear potentiometer is an elegant solution and I hope folks recognize how hard it is to design something that has so much versatility and protection from the elements. Data sampling resolution and accuracy will also be a large consideration, I don't see any mention of how many samples per second are taken, but for a linear potentiometer for a motorcycle I'd want no less than 400 Hz to trust what I am seeing, and that's on smooth tarmac, let alone someone doing some chunky downhill. The crux of this is going to be either tailoring the data analysis experience for the end user to draw conclusions for them (ala Shockwiz) or providing the kind of training to your end users that they can best utilize the data being gathered. All of the data in the world isn't of any use if you don't know what to do with it. The sky is the limit here.
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