I found this one in my in-tray which I thought was interesting as we see the high-end feature trickle-down continue
Shimano have spiced up the latest 105 offering

Along with a mid-compact 52-36T crankset (adds to existing 50-34T & 53-39T) here are some more options:
- disk (BR-R7070 calipers, ST-R7020/25) levers) or rim brake options
- hydraulic dual control levers (ST-R7020)
- 11 speed rear cassettes eg 11-30 (CS-R7000)
- the long cage rear derailleur (RD-R7000-GS) can accommodate up to an 11-34T cassette
- Same aesthetic as Ultegra
- chain stabilizing rear deraileur for Ultegra RX – RD-RX800/RX805

Availability June 2018, Source: shimano.com
Last Updated on 24 January 2026 by the5krunner
My favourite kit and nutrition
- Injinji – Runners protect your toes. Avoid discomfort and minor injury. Run more. Run faster. I use them.
- Garmin 90-degree charging adapter — A small keyring adapter you can use anywhere. Essential when away. I use one.
- Garmin charging puck — the fastest and most reliable way to top up your Garmin before a session. I use one.
- Ravemen FR300 — Front light that mounts directly under your Garmin or Wahoo head unit. Keeps your bars clean and your beam pointed where it matters. I use one.
- Body Glide – The blue anti-chafe stick that all swimmers and many runners use. I use it.
- Maurten — The race nutrition trusted by elite athletes. Gels and drink mixes engineered to be easy on the stomach. I use them.
- Garmin Varia RTL515 — A radar rear light that alerts you to vehicles approaching from behind. Pairs with your Edge or Wahoo. I use this model.
- Favero Assioma Pro RS2 — The power-meter pedals most serious cyclists choose. Accurate, easy to move between bikes. I use this model.
- Garmin Forerunner 970 — A serious choice for a pro-grade triathlon watch. I use this.
- Polar H10 — My daily driver for accurate, waking HRV readings.
- Wahoo ELEMNT Roam 3 — The bike computer that has the feature Garmin lacks: usability. I use mine on most rides.
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tfk is the founder and author of the5krunner, an independent endurance sports technology publication. With 20 years of hands-on testing of GPS watches and wearables, and competing in triathlons at an international age-group level, tfk provides in-depth expert analysis of fitness technology for serious athletes and endurance sport competitors. ID