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Description
CURVE Air KevOur Fastest Kev Yet Introducing AIR Kev, the gravel race version of our beloved GXR (aka Kevin). This is Curve's tribute to a trail blazing hero, our most popular model; a revolutionary bike in the burgeoning modern gravel scene. AIR Kev was originally a project for the 2023 Handmade Bike Show Australia, but it quickly won the hearts of gravel fans across the globe, so we decided to bring it to life. Custom Carbon Bonded Seat Tube AIR Kev combines the
Our Fastest Kev Yet
Introducing AIR Kev, the gravel-race version of our beloved GXR (aka Kevin). This is Curve's tribute to a trail-blazing hero, our most popular model; a revolutionary bike in the burgeoning modern gravel scene. AIR Kev was originally a project for the 2023 Handmade Bike Show Australia, but it quickly won the hearts of gravel fans across the globe, so we decided to bring it to life.
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Custom Carbon Bonded Seat Tube
AIR Kev combines the best qualities of carbon and titanium to create a new standard for gravel riding in the Curve range.
The carbon seat tube is not just a striking design feature, in combination with the 3d printed titanium BB lug, it results in the stiff and responsive ride quality you'd expect from a top-end race-oriented frame.
The carbon seat tube is bonded to the bottom bracket shell with a super strong double-lap join. A tight tolerance 3D-printed titanium lug, and a carefully selected aerospace adhesive, makes this possible.
Our 3D-printed parts include sub-millimeter bond-gap control features. While such fine details are invisible on our finished frames, they result in class leading bond strengths.
Complete AIR Kev builds are finished with Curve's new carbon seat post with a custom 3D-printed titanium topper. This post weighs a respectable 190g without compromising performance.
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A Sleek Gravel Race Bike
The AIR Kev frame features internal routing via the downtube, bottom bracket and full-length non-drive side chainstay. The brake hose has an uninterrupted path from front to rear for clean RH-rear or LH-rear brake controls. It is held in place by an unsung hero, a 3D-printed titanium cable guide hidden inside the bottom bracket shell, which secures the hose snugly without bottom bracket cup or crank spindle interference.
A single-sided yoke remains together with the curved seatstay to retain the iconic side-on silhouette of the original Curve GXR.
AIR Kev features a stripped-down version of our Ride 415 fork, dubbed the Race 415 fork, with internal brake hose routing and without M5 cargo mounts.
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Elements of Australian Manufacturing
All AIR Kev frames are bonded and finished by Curve in Melbourne, Australia. AIR artwork, painting and cosmetic finishing are completed by hand within Curve’s new paint facility using high-end automotive products. This is part of Curve's mission to establish elements of our manufacturing process in Australia where we can control, develop and refine new processes in-house.
Fabrication of the titanium frame, carbon tubes and 3D-printed titanium elements remains with our trusted and established partners in China.
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Race or Party Mode
While the AIR Kev is built to go fast, all Kevs are ready to party on chunkier gravel. The AIR Kev frame and Race 415 fork can accommodate a maximum tyre clearance of 700c x 50mm, and even wider up front, giving you plenty of options for all-terrain adventures. AIR Kev is also compatible with 650b wheelsets if you want to venture further off the beaten track.
The rear dropouts are fully SRAM UDH/T-Type compatible, for the ultimate wide gear range builds. The flat-mount brake tab is positioned for a 160mm rotor without the need for an adapter.
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Travel in Comfort
The backbone of each AIR Kev frameset is a 3Al - 2.5V Grade 9 Aerospace grade titanium tube set. This grade is optimal for bicycle frames and was chosen for its balance of stiffness, compliance, and durability. Titanium absorbs road noise without compromising on performance. It's smooth as silk and very compliant, so you can spend more time on the bike without feeling battered and bruised after a long ride, especially on rough gravel roads.
AIR Kev combines the comfort and durability of titanium with the stiffness of carbon, to give you a responsive high-end gravel race bike with comfort where it counts.
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Lightweight Hill Crushers
This AIR Kev complete build features our newest G4T option, the super lightweight hookless hill crusher wheelset. The 25 mm depth profile keeps the weight low while the 22 mm internal width allows a large cross-section of road/all-road/gravel race tyres to be fitted and set up tubeless for a true "riding on a cloud" experience. Configured using the top-tier DT Swiss 180 ceramic EXP hubs and Sapim Super Spokes, this stunning wheelset is finished with robust Sapim brass nipples to create an ultralight yet reliable wheelset. These wheels tip the scales at a feathery 1,158g (taped, with valves and valve caps).
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Walmer Bar Carbon
The Walmer Bar was designed to handle the demands of endurance cycling of all types, from long-distance audax events and rugged gravel cycling, to off-road bikepacking across continents. Wider than most, and with comfortable flared drop, the Walmer Bar comes in carbon and aluminium versions.
The Walmer Bar Carbon improves on the original aluminium version by cutting down weight, neatly tucking away cables in a moulded recess, and improving handling. The ovalised tops offer additional comfort and the carefully designed profile balances stiffness and flex, providing some extra vibration damping on rugged terrain.
The Walmer Bar Carbon has been tested beyond the ISO 4210 standard for XC MTB use, with EFBEs proprietary TRI-TEST®.
AIR Kev Specifications
Frameset
Frame - Titanium Curve AIR Kev
Fork - Curve Race 415
Headset - Curve Integrated 42/52 mm (IS42/28.6 | IS52/40)
Seat Clamp - 3D-printed titanium, 31.8 mm
Seat Post - Standard-sized 27.2 mm carbon seat post bonded to a custom 3D-printed titanium topper (0 or 20 mm setback) | ENVE 2-bolt seatpost hardware kit
Other - Front & Rear Relaxle Thru-Axles (12x100mm & 12x142mm)
Custom 3D-printed titanium internal BB cable guide
2 x SRAM UDH hangers
Groupset Options
SRAM Red Eagle AXS XX SL T-Type 12 sp
Shifter/Levers - RED AXS, 12 sp - LHR / RHF
Brakes - RED AXS HRD Flat Mount Disc // CLX R CL Rotors, 160 mm
Crank - RED 1 - 40t | XXS-SM: 165 mm | MD: 170 mm | LG-XXL: 175 mm. Note the photographed build includes a power meter upgrade, not specified here. Contact us to discuss modifications.
Bottom Bracket - SRAM DUB T47 85.5 ROAD
Rear Derailleur - Eagle AXS XX SL T-Type, 12 sp
Cassette - XX SL Eagle Transmission, 10-52t, 12 sp
Chain - XX SL Eagle Transmission Flattop, 12 sp
Wheels
Curve G4T 25 mm - 700C
Carbon All-Road Wheels:
- 22 mm internal, 27 mm external, 25 mm deep
- Hub: DT Swiss 180, 24H, Centre Lock
- Spokes & Nipples: Sapim Super Spokes & Brass Secure-lock Nipples
- Dropout Spacing: 12 x 100 mm front, 12 x 148 mm rear
- Weight: 1,158 g (taped, with valves and valve caps)
Finishing Kit
Bars - Curve WALMER Bar Carbon | XXS: 43 cm | XS-MD: 46 cm | L-XXL: 50 cm
Stem - Zipp Speed SL
Saddle - Fi'zi:k Vento Argo
Tyres - Vittoria Mezcal 700 x 44c
Bar Tape - Curve black anti-shock
Please Note: Spec subject to change according to availability
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
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Product Reviews
★★★★★ 5
Economical and descent for price
Color: Carbonized, Size: 3-piece, Color: Carbonized, Size: 3-piece
Pleased with price, style, color, and the 3 sizes of these carbonized bamboo cutting boards. Based on the reviews had the expectation of the "smell", which is the oil used to seal the cutting boards. (I suspect linseed oil was used based on the lingering smell, as the off-gasing process is longer. It's also cheaper than Tung oil and food grade mineral oil.) I work with wood and various oil sealants so the smell is a non-issue. As there are natural ways to speed that process up and minimize the smell. In addition, I will be using fractionated coconut oil or food grade mineral oil to seal cutting boards on a regularly basis (monthly or more frequent). As we live in a dry climate, hard water, and frequent use.
Appreciate the other reviews which lead to our purchase and reasonable expectation of these cutting boards.
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Good but wood smell
Color: Carbonized, Size: 3-piece
These came with a woodsy smell but the price was great for the quality
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Fantastic book! Great introduction to some of the current misunderstandings about the Bible.
Format: Kindle
As a believer, I have wrestled with the issue of why I trust the Bible to be God’s defining word. After all, simply saying that I have faith in God and Jesus and therefore the Bible must be true creates an ever-tightening inward spiral based on nothing more than a belief that it’s true. Probably not the best standard to be waiving. Why I Trust The Bible by Dr. William Mounce answers not only this question, but also whether or not Jesus was real and why the different Bible translations are so different.
We live in an age where we are bombarded with half-truths and deceptions by purported experts whose only requirement is to have a YouTube page. The Bible is no more immune from these barrages of untested and ill-researched ideas than is science or politics, but the stakes are higher. While many refute the authenticity and truthfulness of the Bible, one name stands out among the rest: Bart Ehrman. He seems to be very good at nuancing just the right word to cause a reaction in support of his unfounded claims. Fortunately Dr. Mounce is superb at refuting the often-ridiculous claims as well as correcting minor misunderstandings. What I especially liked about Why I Trust The Bible was the way Dr. Mounce not only disproved the inaccuracies touted by Ehrman, but revealed the underlying false premises and sensationalist comments that Ehrman uses. Dr. Mounce’s corrective approach was very helpful.
Why I Trust The Bible easily counters the common claims and misrepresentations against the Bible’s inspiration. If you want to understand the background of how and why our Bible is accurate, real, truthful, and God’s inspired word, this resource is for you. Dr. Mounce systematically addresses key issues originating from contradictory arguments presented by unbelievers while at the same time answers questions many believers have about their Bible. I especially appreciated the way Dr. Mounce included enough material for each section so that I was able to understand the issue without feeling overburdened. It is an enjoyable read: comprehensive and coherent.
This book opens by evaluating the reality of Jesus, then moves to dismantle common criticisms against the Bible, examines the processes and decisions necessary when translating from the original languages into English, and finishes by addressing some of the perceived claims against the nature of God. While these issues tend to be technical, Dr. Mounce expertly navigates the waters to keep the reader engaged as he addresses the Bible’s history, fundamentals of textual criticism, and interpretative and translation principles. Whether you begin this book with a blank slate in these areas or already understand these issues, the book will fill the gaps.
Too often people confuse their faith in the Bible with how faith (in any proposition) reinforces beliefs and closes one’s mind to other possibilities. Much of what we believe is actually an outgrowth from our paradigms. Dr. Mounce points out that we all have faith-beliefs. For example, if I believe God is able to alter the laws of nature to perform a miracle, then that is my faith-belief. But if I believe there is no God or that miracles cannot happen, then that is also my faith belief. We each assess everything by our paradigms. Although we live in a world that seeks to accept every idea as a relative truth, only one of these propositions can be correct; in the case of miracles, they can either happen or they cannot. One thing that stood out was the tendency for the non-believers to try to make the believer prove them wrong. Dr. Mounce flips the script and places the onus on the non-believer to prove that miracles can happen. He can do that because through his systematic approach to answer the critical questions about the Bible, he shows that it is not a work of fiction and that the events in the Bible were not late additions or were not the result of conspiracies perpetrated by a cabal of nefarious theologians of the past. His book documents the veracity and reliability of the Bible that we now have, and while we may not have the first-edition autographed copy, we are confident we have what the original authors wrote.
There are some who attempt to use the faith-belief premise as an argument against the truthfulness and accuracy or our Bible, but that is the wrong approach because it does not accurately represent the stalemate that exists between believers and non-believers. The problem is much deeper and is more centered on the belief that just because we don’t have the original documents, and that because there are too many discrepancies in the Bible itself, that it is untrustworthy. These are unfounded or inaccurate statements which are not backed by any facts, but are simply distortions, untested by any historic or scientific means. Why I Trust The Bible breaks through the unfounded arguments against authenticity by providing the documentation and proof that it is real, that what it says happened actually did happen, and that those who so diligently protected the text for us through the many generations did so with the utmost respect for God and his word. Yes there are what appear on the surface to be discrepancies. Yes there are variants between the 5,600 plus manuscripts (less than 1/10 of 1 percent even warrant further research). But Dr. Mounce shows how it is not the number of textual differences that matter, but whether or not the differences are significant in any way that they alter the basic understanding of God, Jesus, or salvation. He guides the reader in understanding that although there seems to be a lot of discrepancies, only a small number are viable; they do not alter any truth in the Bible. He proves that, “there is not a single viable variant that calls into question any point of biblical theology, major or minor.”
This book is an excellent choice for anyone wanting to understand how we got our Bible, why we can trust it to be true, that it is the faithful word of God, and how Bible translators struggle with real issues relevant to helping us understand what God said. I have many of the resources listed in the footnotes of this book and have studied these issues in the past, but as in most books I read, I discover new insights and information. This book is not just for the person beginning this study, but is applicable for even those who have studied these concepts. If you don’t have the foundation necessary to believe that the Bible we now have “is the very words of God” or want to learn more about the processes involved in interpreting words and phrases and the various theories of Bible translation, then this is the book for you.
Mike F., MDiv, Theology
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Reviewed in the United States on October 7, 2021
★★★★★ 5
It's Great, but Maybe a Little More on the Topic than Some Might be Ready For
Format: Paperback
Dr. William Mounce's new book, "Why I Trust the Bible: Answers to Real Questions and Doubts People Have About the Bible," is a bit different than his typical work. This book is not specific to learning biblical Greek. Instead, it's a series of arguments for the reliability of the Bible with a much broader audience in mind. Mounce addresses this historicity of Jesus, contradictions in the Bible, how we have the biblical canon, issues of textual criticism, aspect of translation, and how the Old Testament supports our trust in the Bible more than you might think.
"Why I Trust the Bible" is an accessible introduction to a selection of apologetic matters but goes deeper and beyond an introduction. For one seeking to explore these topics--for the first time or deeper study--Mounce does an outstanding job with each of these arguments. Each chapter (corresponding to a question) is well-argued and contains an excellent bibliography of references. Even without any theological knowledge, the book is easy to read, and it stands upon excellent theological study and solid academic work.
While I highly recommend "Why I Trust the Bible," I found the scope of the "questions" and "doubts" limited. As a pastor, there are many questions about the historical Jesus, contradictions, how we got the revelation of God, and issues of translations. Sure. But they often come as more of an attempt to reject the Bible. Mounce's answers are excellent but address the reality of the situation rather than the questioner's heart. It's not something I'd expect to find someone with doubts and totally new to the Bible would pick up this book. Therefore, this book is better suited for the person who handles the questions and doubts of others. It provides the foundation and information to the pastor, Sunday school, teacher, friend, or family member in doubt. "Why I Trust the Bible" is also a helpful book for the seminary student, budding apologists, and preachers of God's Word.
The chapters on textual criticism supply a fantastic framework (complete with charts and history). As we would expect from Bill Mounce, these chapters are a resource every pastor should have on his shelf, ready for when the tough challenges come.
I found the book good and helpful and I have a Doctorate of Ministry and more than a decade of pastoral ministry under my belt. My twelve-year-old son is reading the book and also finding it in formative and helpful (although he also thumbs through my commentaries). My point: there's a little for everyone.
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Reviewed in the United States on September 15, 2021
★★★★★ 5
An excellent, if brief introductory survey of the defense of the reliability of Scripture!
Format: Kindle
“How can you trust the Bible? Didn’t you know there are 400,000 disagreements between all the different copies of the New Testament alone, while there are only 110,000 words in it?”
“The Bible contradicts itself, so it can’t be the Word of God.”
“Church leaders picked and chose what went into the Bible, leaving out books and letters they didn’t agree with, so how can you trust what it teaches?”
“Even the different versions of the Bible disagree with one another, so how can it be reliable?”
“Jesus is more myth than historical figure, cobbled together from a bunch of ancient sources and religions. He’s made up, so can’t be a real savior.”
Skeptical claims like these, and plenty others, are leveled against the Bible ALL. THE. TIME. On social media, in popular media, and in documentaries purporting to give the straight dope about the history surrounding the Word of God. We should not be surprised. After all, the enemies of God hate Him, and hate His Word. However, many Christians lack the ability to refute these claims. Many of us merely shout “nuh uh,” all the while wondering if there really are answers to these claims.
There are answers to these claims, Christian. There is an entire field of study, namely apologetics, which provides a defense of the faith. “Why I Trust the Bible” is a one-stop-shop of introductions to several topics which comprise much of the field of apologetics these days:
- The Historical Jesus
- Contradictions in the Bible
- How We Got the Canon (list of books in the Bible)
- Textual Criticism (making sense of textual discrepancies or variants)
- How Translation Happens
- The Supposed Contradiction of the Old Testament
In “Why I Trust the Bible” Dr. Mounce, renowned Greek language scholar, explains why he trusts the Bible, and why you should too.
As a layperson who has done a lot of study in these areas, I found the this book a great introductory survey of these topics, with a great set of footnotes and bibliography for further reading. Most skeptics tossing out the objections covered are merely repeating talking points, and this book will be more than enough to equip you to answer them. “Why I Trust the Bible” is a great introduction to all of these subjects and can provide a great foundation for further study into any and all of them.
If you have studied any of these subjects in greater depth, you may find Mounce’s treatment of them entirely too brief, but for someone who is new to apologetics and specifically the reliability of the Bible, this book is an excellent choice!
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Reviewed in the United States on September 15, 2021