We look at the bikes ridden by the five fastest cyclists in both the women's and men's pro races at the 2025 70.3 World Championship in Marbella, Spain.

High performance without the high price: Direct-to-consumer maker AJ Alley adds an upgraded carbon racer to his popular tri line. The big surprise? Pitch-perfect fits for “human outliers.”

Though it’s intended to fly under the radar, we got a close look at Jackie Hering’s “unbranded” Cervelo P5.

From little-known brands to drool-worthy custom designs, today's age-group bike check-in offered a feast for the eyes.

We get close look at the bike for one of the top contenders in the 2025 women's Ironman World Championship - American Taylor Knibb's special new Trek Speed Concept.

One of the most hyped Ironman World Championship rookies in 2025, Solveig Løvseth, shows off her custom-painted Felt IA 2.0.

Boasting one of the most eye-catching designs, 2023 Ironman World Champion Lucy Charles-Barclay is ready to turn heads out on the Queen K.

For the first time ever on Triathlete, we check out three-time Austrian Olympian Lisa Perterer’s unique Lapierre Aerostrom bike setup for her Kona debut.

We get a close look at 2025 Ironman World Championship contender Kat Matthews’ sleek race-day setup that takes its cues from the dark Hawaiian lava fields.

Ironman World Champion Chelsea Sodaro has a new bike sponsor and a stunning custom paint job on her race-ready Ventum Tempus. She's also got some custom carbon details we've never seen before.

We’ve rated and reviewed triathlon cycling shoes based on 10 key elements that dictate your comfort while training and racing.

The Olympic gold medalist and 2022 St. George Ironman world champion is back with some fearsome fitness and one of the most unique bikes in transition. We look closely at Kristian Blummenfelt’s race-day Cadex setup.

Perhaps one of the most feared men in the 2025 Ironman World Championship field, Gustav Iden, shows off his very serious race-day ride. We take a close look.

The last person to win an Ironman World Championship in Nice is back, and we’ve got a close look at Sam Laidlow’s slick, stark Canyon.

Covered in custom details, the three-time Ironman World Champion is back in Nice hoping to make it four with his special Canyon Speedmax CFR. Get the inside scoop his unique ride.

The Danish athlete whose bike was deemed “too aero” at last year’s Ironman World Championship is back with one of the most visually symmetric (and aero) bikes we’ve seen. Check out the first look.

We get an early look at a new “stripped and slipped” frame coating on the prototype Quintana Roo V-PRi that Kristian Hogenhaug, one of the fastest cyclists in the sport, will ride in Nice at the 2025 Ironman World Championship.

The top American finisher from the 2024 Ironman World Championship is back on French soil with hopes of a podium repeat. We traveled to Rudy von Berg's chateau to get the inside details on the Factor Hanzo he’ll ride.

We head to American Sam Long’s provincial French château, 30 minutes outside of Nice, to get the scoop on the bike he’ll be riding this weekend.

It’s been a big 12 months for new triathlon bikes, and we’ve got expert, hands-on reviews of the latest offerings from nine of the best brands in the sport.

Tri didn’t copy aero - it taught it. Here we look at the historic images, oddities, and athletes who hid heads, moved bottles, and nudged rules to reshape the way we look on the bike leg.

Triathlete’s editors logged thousands of miles to find the best bike bibs for long rides. These four - ranging in price from $100 to $325 - are their favorites.

The right bike chamois can quite literally save your ass (and other bits) when cycling. But what is it, and how do you pick the best one? A bike shop veteran tells you how.

High-performance lids that prioritize safety, speed, and comfort

Using Triathlete's recent community survey and Ironman World Championship bike count data, Triathlete's editor-in-chief (and resident bike nerd) examines the trends that shape what we're riding in 2025.

Quite possibly. Avoid unnecessary spewage (and worse) thanks to our own DIY testing, some expert insight, and our safety and cleaning primer.

Is buying a used triathlon bike a smart move? It can be when you follow these guidelines for finding the best ride.

Triathlete’s guide to the best saddles that increase comfort and power for the long haul. We rate our top picks based on criteria like texture, density, cutout, width, and more.

With fewer simple options now available for triathletes, we look at the best ways to travel with your triathlon bike, based on your needs.

The right pair of bike pedals can give an increase in pedaling efficiency and power, but the wrong pair can lead to injury, decreased performance, and more.

Triathlete’s guide to the best smart trainers that help you get fit and stay fit all winter long. We personally test and rate our top picks based on criteria like ride feel, power accuracy, ERG mode capabilities, and more.

A quality smart trainer for $400? We test out the new budget-friendly JetBlack Victory.

We look at the bikes ridden by the five fastest cyclists in both the women's and men's pro races at the 2024 70.3 World Championships in Taupō, New Zealand.

Cycling indoors can be made much less horrifying by choosing the best fan for the job. Triathlete's complete guide to indoor cycling fans with our top picks.

We dig into the first-ever tri bike from Decathlon’s house brand, Van Rysel - how does it ride, what does it bring to the table, and how does the XCR Tri compare to the competition?

The otherwise ultra-premium brand Factor has launched a more affordable tri bike with integrated(ish) hydration, in-frame storage, and more. We tested it in the lava fields of Kona.

Tri bikes are tricky beasts—something that looks simple to adjust can take hours. We break it down so you don’t have a breakdown.

Even the best-intentioned aero gear can fail triathletes if they're not using it right. A wind tunnel operator explains the most common (and costly) mistakes triathletes make.

Do you keep getting flat tire after flat tire and can’t figure out why? Odds are it isn't just bad luck.

Picking a new bike saddle can feel like Russian roulette, but our fit expert helps discern when to stick with a new seat or when to move on.

Rear hydration solutions are notorious for either being cumbersome or ejecting water bottles. Learn how to keep your bottles securely behind your saddle.

Your expensive aero helmet could actually be slowing you down. An aerodynamicist explains why aero helmets have evolved (yet again) and how to use them right.

Two aerodynamics experts agree that calf sleeves can make your bike split faster, but by how much? And why (exactly) do they work?

Bento boxes are an efficient way to carry fuel—some may even have aerodynamic benefits.We take a look at four great options.

While Cervelo made minimal changes to the 2024 version of the P5, they’ve given the new P-Series a big makeover (for better and worse).

While not a complete retooling of the already-fast P5, this new 2024 version of Cervelo’s speedy UCI-legal superbike has some interesting updates.

Think your tri bike is beautiful? Three full-time, professional bike painters let us into their workshops, share their origin stories, and show us some of their own coolest designs.

We take a look at seven great picks for a beginner (or intermediate) triathlon bike at $5,500 or under.

The Zwift Ride takes a stab at the hardware world in partnership with Wahoo—this time with “most” of a stationary bike. But is it worth it for triathletes?

Electronic shifting is fantastic—until it isn’t. We look at the five most common ride-ending issues and how to fix them on the road, while you’re traveling, or at home.

Not many bike brands are releasing new triathlon-specific bikes for under $4,000, so we jumped at the chance to test the trickle-down tech on the Felt IAx.

Astronautical engineer and author Jim Gourley looks at the aerodynamic consequences of choosing clip-on aerobars over a dedicated triathlon bike.

The authority on aerodynamics to pros like Lionel Sanders breaks down basic aero terms, aerodynamic science, why it all matters, and what you should be focusing on to (actually) get faster.

For triathletes looking to maximize their bike training, a power meter is essential. We look at the best options.

The triathlon bike’s crankset is an integral part of the drivetrain, but do you know the right crank arm length or chainring size for you? Start here.

Since a dedicated tri bike might not be in every triathlete’s immediate future, we break down the steps (and the caveats) for using a road bike for tri.

We put many (windy, bumpy, sketchy) miles on one of our favorite superbikes so far this year: the updated and fully-integrated Quintana Roo V-PRi.

An expert bike wrencher lists the best bike tools that every triathlete should own.

Thinking of upgrading to electronic shifting or unsure of what’s compatible with what you’ve already got? Start here.

A no-details-left-behind $17,000 superbike, BMC’s Speedmachine 01 LTD looks like everything you’d ever need, but despite years of R&D it feels more at home on a ProTour cycling time trial than a 140-mile triathlon. Read why.

In the last 15 years, the school of thought for bike tire pressure has basically been flipped on its head. We explain why and list tire pressure charts for brands like Vittoria, Continental, Michelin, Hutchinson, and Schwalbe.

Triathlon bike size can sometimes feel like either a complete afterthought or a mystical dark art, but it’s necessary knowledge when it comes to a bike purchase. Don’t make a big mistake, our expert warns.

We take a journey through tri time, exploring the nuanced history of carrying hydration with minimal aerodynamic resistance—and where we are now.

Triathletes just can’t stay put—our expert will teach you to accurately transplant your everyday bike fit from a tri bike to a road bike, to another tri bike, to a spin bike, and more.

You like free watts and saving money, right? What if there was a magic way to do both at the same time? There is; we’ll show you how and what to get to do it right.

Chris Foster gets a rare opportunity to test the same model bike that Lucy Charles-Barclay rode en route to her record-breaking 2023 Ironman World Championship victory: the Cube Aerium C:68X.

As triathletes either toil away indoors until the weather clears up or start banging out some spring base mileage, now is the time for a new saddle.

We break down the data from real-time aerodynamic drag testing to finally put an end to the confusion of the most aero way to carry water on the bike.

Sure, we’ve all got fans, sweatbands, a tray, and some kind of screen, but there are three more surprising items that could actually revolutionize the way you train indoors.

Electronic drivetrains are slowly becoming omnipresent on new tri bikes, but do you know the difference between each brand or groupset? More importantly: Which is the best electronic drivetrain for tri bikes?

With uncertainty surrounding services that transport an athlete's bike and the hassle of traveling with your bike increasing, more and more triathletes are turning to bike rentals. We look at why (and if it’s worth it).

We take a closer look at one of the best triathlon saddles on the market—though one that comes at a price.

We take a closer look at the best value smart trainer on the market from the triathlete point of view—though the Zwift Hub One is far from perfect.

Master bike fitter Dave Luscan outlines the essential points to consider when seeking out your best bike fit.

With so many options on the market for tri bikes, we tapped fit expert Mat Steinmetz to break down the different types of tri bikes to help you choose your perfect steed.

We take a look at the bikes ridden by the ten fastest cyclists in the pro race at the 2023 women’s Hawaii Ironman World Championship in Kona.

Your tires actually play a surprising role in how fast you ride, and what you think you know about rolling resistance is probably wrong.

We put miles on one of the most unique, customizable bike seats in the triathlon world. Read our review of the highly customizable BiSaddle.