This week on the BikeRadar Podcast, Jack Luke and Simon von Bromley unpack the chubby new direction for road bike tyres. Are 50mm tyres the future or a passing fad?

The pair also cover: 

·         The new Cervélo S5 

·         Standert’s Kreissäge RS – a “circular saw” for chasing KOMs

·         A drunken 1970s cycling adventure

·         Last week’s top content

·         Why saddle packs maybe don’t suck

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The Tech Q&A is back, with Jack Luke and Simon Von Bromley fielding your questions. This time around, the pair cover:

Got a question for a future episode? Drop us a message at [email protected]

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A new 13-speed Campagnolo Super Record groupset has been spotted at the 2025 Giro d’Italia, and it’s more than just an extra cog. From a redesigned rear derailleur and potential 1x compatibility to the long-awaited return of the iconic thumb shifter, this could mark a real turning point for the legendary Italian brand. We dig into what’s new, what’s still to come, and why this matters for Campagnolo’s place in the modern peloton.

https://www.bikeradar.com/news/new-campagnolo-super-record-wireless-groupset-2025-giro

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Lachlan Morton, the winner of the 2024 Unbound 200, is a gravel and adventure riding superstar.

BikeRadar’s Liam Cahill caught up with Lachlan at last week’s Traka, Europe’s biggest gravel race, to take a closer look at his bike.

In this episode, Lachlan talks Liam through his 2025 race rig. You can also watch the video here: https://youtu.be/tuaDfwtRLkU?si=S5Wslp7oJu8dEg7x

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Cannondale has launched a new Synapse endurance bike, with 42mm tyre clearance, an aero-influenced frame, down tube storage and a reimagined SmartSense system that’s, well, much smarter than before.

It’s a bike that, on paper, represents the evolution of the latest endurances bike – a category that’s in rude health.

In this podcast, George Scott quizzes Warren Rossiter on the new Synapse, and the essential features of an endurance bike in 2025.

Read more about the new Cannondale Synapse – https://www.bikeradar.com/news/2025-cannondale-synapse

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In the first episode of a three-part series with Zipp, BikeRadar’s Liam Cahill and Warren Rossiter sit down with Zipp product manager Nathan Schickel to chart the history of one of cycling’s most influential brands.

From Zipp’s original carbon tri-spoke wheel to the current trend for super-wide rims and tyres, via the brand’s detour into making bike frames, this is a fascinating chat that looks back at Zipp’s key innovations, and what might be coming next.

You can also watch this episode on BikeRadar’s YouTube channel: https://www.youtube.com/user/bikeradar

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Electric mountain bike development shows no signs of slowing, with high-powered motors arriving from the likes of DJI and Specialized, which offer 850 and 720 watts of power respectively in their ‘regular’ modes. The DJI takes that further with a 1,000-watt boost mode.

But that’s not always a good thing. In this podcast, BikeRadar’s technical editor-in-chief, Rob Weaver, and MBUK TV’s video presenter, Tom Marvin, tell you why.

The duo also chat through what this means for the future of eMTBs, and whether peak power and torque now needs to be capped.

Watch MBUK TV’s review of the new Specialized Turbo Levo 4 – https://youtu.be/vk34BFJQ2xQ?si=o1l5OiRczYSIhnyq

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In this episode, Jack Luke sits down with hardcore roadie turned gravel dad, Simon von Bromley, to discuss the missing 1x version of Shimano’s 12-speed GRX Di2 groupset.

With images of potential new XTR Di2 parts leaking online in recent months, we’ve been wondering what it could mean for the next generation of 1x GRX Di2 – something conspicuous by its absence in Shimano’s gravel line-up.

The duo ponder what a fully wireless XTR could mean for GRX and Shimano’s other 12-speed Di2 ranges, why Shimano’s enormous product ecosystem can appear so confusing from the outside, and what features they think would be essential in any new 1x GRX Di2 groupset.

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The Tech Q&A is back, with Jack Luke your host, and Tom Marvin and Warren Rossiter fielding your questions. This time around, the trio cover:

Got a tech question for the BikeRadar team? Email us at [email protected]

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Colnago has launched the V5Rs, claimed to be the lightest bike it has ever made. The new bike is the replacement for the V4Rs, which has just had an enviable send-off at the 2025 Tour of Flanders and Paris-Roubaix under Tadej Pogačar.

In this bonus podcast episode, digital editor Jack Luke sits down with road tech lead Ashley Quinlan to discuss Ash’s early impressions of the new bike from a press event on Lake Garda, Italy.

Of course, it’s lighter and faster on paper, but is that enough to satisfy these two tech nerds? 

Read the V5Rs news story here: 

https://www.bikeradar.com/news/colnago-v5rs

Read Ash’s first-ride review here: 

https://www.bikeradar.com/reviews/bike-reviews/colnago-v5rs-first-ride 

Find out why Ash thinks Colnago might have missed an opportunity to be bolder here: https://www.bikeradar.com/features/opinion/the-colnago-v5rs-has-left-me-feeling-cold 

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