GP Lama

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GP Lama Husband. Internetwork technology expert. Cyclist. Traveller. Bone breaker. Melbourne, sometimes. Llamas. Always llamas. Mostly bikes and technology.

With years of industry experience in the technology space, I'm using that knowledge and skill set to demystify and further promote the use of technology in the cycle sport domain. I've been blogging for years over on my website. Race reports, rides, travel, everything Australia. In the last few years there's been a huge convergence of the two. (Our bike computers now have WiFi!) YouTube is also another platform I've used to share the adventure. Through my years of racing I've ridden ergos (indoor cycling) a lot. I own more indoor trainers than shoes. I've also use ALL the software from Spinervals, Trainer Road, Sufferfest (with Knighthood!), Zwift, etc. TACX have mentioned that I've been a huge influence in making 'indoor training exciting'.

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Web: http://shanemiller.net
Instagram: http://instagram.com/gplama
Strava: https://www.strava.com/athletes/gplama
Twitter: https://twitter.com/gplama
YouTube: https://www.youtube.com/user/gplama/ --------------------------

05/10/2026
Stages is back with the SB200 smart bike! A complete redesign with WiFi, customisable shifting, broad platform compatibi...
05/10/2026

Stages is back with the SB200 smart bike! A complete redesign with WiFi, customisable shifting, broad platform compatibility, and an incredibly smooth ride feel. I’ve spent weeks putting it through the Lama Lab Test. There’s plenty to like, but the ERG behaviour and higher-power accuracy deserve a closer look.

Full review over on YouTube: https://youtu.be/in8g1g-_yIo

19/09/2026

Every ride outside this time of year. 🚴‍♂️🦅🇦🇺

Shimano’s new SPD-SLR road pedal system promises lower stack height, reduced weight and improved performance but breaks ...
17/09/2026

Shimano’s new SPD-SLR road pedal system promises lower stack height, reduced weight and improved performance but breaks compatibility with more than 23 years of SPD-SL 🤔

YouTube: https://youtu.be/-TzmbgWOj1U

The Van Rysel D500 V2 gets the basics right, but maybe don’t look too closely at the details… I did. 🤔📈🚴🏼‍♂️🔥YouTube: ht...
29/08/2026

The Van Rysel D500 V2 gets the basics right, but maybe don’t look too closely at the details… I did. 🤔📈🚴🏼‍♂️🔥

YouTube: https://youtu.be/gdjLIhNjJVU

Why can the same workout at the same average power and cadence feel noticeably harder on one smart trainer than another?...
25/08/2026

Why can the same workout at the same average power and cadence feel noticeably harder on one smart trainer than another? After completing the same 300W ERG workout across seven sessions, I analysed the short-term variability in power, crank torque, and cadence to see whether we can finally put a number to smart-trainer ride feel. 📈📊🚴🏼‍♂️⚡️

The results lined up surprisingly well with how each trainer felt, and how fatigued I was after each interval.

Here’s what I found: https://youtu.be/6uKxT6FEJFM

Garmin Edge update 32.20 is here for the Edge 550, 850, 1050, and Edge MTB with undocumented changes to radar alerts too...
22/08/2026

Garmin Edge update 32.20 is here for the Edge 550, 850, 1050, and Edge MTB with undocumented changes to radar alerts too! But where’s the update for the Edge 540, 840, and 1040? 🤔

YouTube: https://www.youtube.com/watch?v=DhGDOS71IB4

The Varia RearVue 820 may be Garmin’s most advanced radar, but it isn’t the straightforward RTL515 replacement many ride...
11/08/2026

The Varia RearVue 820 may be Garmin’s most advanced radar, but it isn’t the straightforward RTL515 replacement many riders wanted. Here’s my case for a simpler US$199 RTL525 with USB-C, longer battery life and the proven radar behaviour we already trust.

YouTube: https://youtu.be/flX8d_EhHwY

This US$50 bicycle radar looked tempting until real-world testing exposed serious, repeatable detection failures that ma...
05/08/2026

This US$50 bicycle radar looked tempting until real-world testing exposed serious, repeatable detection failures that make it impossible to recommend. 🙅🏻‍♂️🚲🚨

YouTube: https://youtu.be/MzW7MgKm794

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Ballarat, VIC

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