SKU: 94609151390
gravel bike grx 800

gravel bike grx 800 X-Lab GT8 Gravel Bike

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Description

gravel bike grx 800 X-Lab GT8 Gravel BikeThe X Lab GT8 is a full carbon gravel race bike built for fast mixed surface riding, long distance gravel events, and riders who want modern gravel geometry without oversized price tags. It combines a Toray T 800 carbon frame, Shimano GRX Di2 1x12 drivetrain, integrated power meter crankset, in frame storage, and clearance for up to 55mm tiresputting it directly against bikes like the Trek Checkpoint SL and Specialized Crux at a significantly lower

The X-Lab GT8 is a full carbon gravel race bike built for fast mixed-surface riding, long-distance gravel events, and riders who want modern gravel geometry without oversized price tags. It combines a Toray T-800 carbon frame, Shimano GRX Di2 1x12 drivetrain, integrated power meter crankset, in-frame storage, and clearance for up to 55mm tires—putting it directly against bikes like the Trek Checkpoint SL and Specialized Crux at a significantly lower cost.

Key Functional Details

  • Toray T-800 full carbon gravel frame and fork
  • Shimano GRX Di2 1x12 electronic drivetrain
  • 10-51T cassette for wide-range climbing and loaded gravel riding
  • Branta alloy crankset with integrated power meter
  • Apple Find My anti-theft technology integrated into crankset
  • Branta C45 Gravel carbon wheelset
  • Continental Terra Trail 700x45c tires installed stock
  • Up to 55mm tire clearance for larger volume setups
  • Integrated in-frame storage with frame and fork accessory mounting points
  • T47 threaded bottom bracket and UDH compatible rear dropout
  • Claimed weight: 8.78 kg / 19.31 lbs (Size M)

Technical Specifications

Frame XDS Carbon Frame, Toray T-800, UDH Compatible
Fork XDS Carbon Fork, Toray T-800, 100x12mm Thru-Axle
Stem Branta Carbon Stem
Handlebar Branta Gravel Carbon Handlebar
Seatpost XDS Carbon 27.2mm
Rear Derailleur Shimano GRX RD-RX717 Di2
Shifters Shimano GRX ST-RX717 Di2
Brakes Shimano GRX BR-RX715 Hydraulic Disc
Cassette Shimano CS-M6100-12, 10-51T
Crankset Branta Alloy Power Meter Crankset, 40T, Narrow-Wide, 24mm Steel Spindle, Apple Find My
Bottom Bracket T47 / 24mm
Rotors Shimano SM-CL700 Front 160mm / Rear 160mm
Chain Shimano CN-M6100
Wheelset Branta C45 Gravel Carbon Wheelset, Stainless Steel Spokes
Tires Continental Terra Trail 700x45c
Saddle Fizik Terra Argo X7
Claimed Weight 8.78 kg / 19.31 lbs (Size M)
Sizes XS / S / M / L / XL / XXL

Compatibility & Technical Notes

Good Fit: Riders looking for a fast gravel bike that can handle road speed, gravel events, bikepacking weekends, and aggressive mixed-surface riding. Strong fit for riders considering Trek Checkpoint SL, Specialized Crux, or Cervelo Aspero but wanting similar performance with a power meter included and more tire clearance.

Not A Fit: Not ideal for riders looking for a fully upright comfort-first geometry or flat-bar adventure bike. Not the best fit for heavy MTB trail riding where suspension and true MTB geometry are required. Not a fit for riders wanting a 2x front drivetrain setup from stock.

The GT8 ships as a 1x12 gravel drivetrain with a wide-range 10-51T cassette, which favors simplicity, chain retention, and climbing range over tight road cadence steps. The 55mm tire clearance is a major advantage for riders moving between fast gravel and rougher terrain. T47 threaded bottom bracket improves long-term serviceability, and UDH compatibility helps with derailleur hanger replacement and future drivetrain support.

Service / Ownership Context

This is the kind of gravel bike that works for both fast riders and newer gravel riders because the geometry balances stability and speed well. The included power meter removes a major future upgrade cost, and the in-frame storage plus accessory mounts make this much more practical for real gravel riding than many race-only platforms. For riders comparing value, this bike delivers high-end spec at nearly half the price of some direct competitors.

Fit & Use Signals

  • Best for gravel racing, adventure rides, long mixed-surface routes, and fast weekend group rides
  • Good for riders who want one bike that can handle road and gravel without compromise
  • Excellent for riders upgrading from aluminum gravel bikes into full carbon performance builds
  • Strong value versus Trek Checkpoint SL7 and similar premium gravel platforms
  • Good beginner gravel geometry with enough stability for confidence and enough speed for serious riders
The hidden value here is the included power meter and real gravel tire clearance. Many bikes in this category force customers to spend another $800 to $1,500 later for power meter upgrades. The 10-51T cassette also matters more than most buyers realize—it makes steep gravel climbing and loaded rides much easier while keeping the drivetrain simple. T47 bottom bracket is a mechanic win because it is quieter and easier to service than many press-fit systems. Biggest buying mistake is underestimating tire size strategy: customers often buy this for fast gravel but later realize they want bigger tires for rougher terrain, and this frame supports that move. Strong upsells include tubeless setup optimization, frame bags, computer mount, pedals, and bike fit.
Shipping Notes
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Exchange/Return Notes
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SKU: 94609151390

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4.1 ★★★★★
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K
Verified Purchase
Ken Hill
Whiting, US
★★★★★ 5
Very informative and well written. Check out Phrasing.
Format: Kindle
Very informative and well written. I especially like the concept of Phrasing as an aid to meditating on the Word. I don't know Greek and got a lot of value out of it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 3, 2017
J
Verified Purchase
J. Jarvis
Natrona Heights, US
★★★★★ 5
accessible Greek for all
Format: Paperback
I got this book for my wife, who is a complete Greek novice. She enjoys it. And it is accessible for her. The book is divided into three sections, where each section gives an increasingly in depth summary of nt Greek. This is a great idea; if you only want to know the basics, do section 1. If you want to know a little more, perhaps do section 2 as well. Section 3 starts to get into the basics that you would hit in a first year text book. This is not a replacement for a first year textbook; this is for someone who doesn't want to commit to a first year textbook. For a extra fee, you can order helpful videos done by the author himself.
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Reviewed in the United States on May 31, 2014
H
Verified Purchase
Henry R. Ford
San Leandro, US
★★★★★ 5
Thank you for excellent service. This book is very informational and written ...
Format: Paperback
Thank you for excellent service. This book is very informational and written in a clear and understandable manner. I have not completed reading it yet, but so far I am enjoying it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2015
A
Verified Purchase
AL
Los Angeles, US
★★★★★ 4
VERY GOOD FOR ITS PURPOSE, SOME RESERVATIONS
Format: Paperback
To same space, WM= William Mounce. BBG=Basic Biblical Greek Grammar. This is an expanded edition of the earlier book of the same name. One will recognize many elements of the author's BBG, but this is more of "how to use Greek for exegesis" so it doesn't have a lot of paradigms etc. WM even puts in the "professor" character from the BBG 3rd ed. He has chapters on word studies, translations, textual criticism, advice on how to use commentaries, etc. It's written at an elementary level so it's an excellent guide for someone just wanting to understand more deeply the scriptures, or to check the accuracy of translations. If one wants to go more in depth, he/she can consult the intermediate grammars like Gerald L. Stevens or Wallace (that one is really detailed!). WM divides the book into sections of increasing depth - Fundamental Greek, Church G., & Functional G. He deals with verbal aspect in several places. He says tenses do have the time element in the indicative mood, but it's second to aspect. Outside the indicative, only aspect is a factor. The 3 are UNDEFINED, CONTINUOUS, and (traditional perfect) complete w/ continuing results. Whether the traditional perf/pluperfect is THE meaning of the tense, or an aktionsart, I will leave to the reader. Sometimes these 2 tenses represent a state. The traditional perfect is there much of the time, determined by the meaning of the verb and context. One should look at how the verbs are actually used (sometimes it's really hard to tell why the perfect was used). Perhaps the old proverb applies to Greek i.e. "the only hard and fast rule, is that there are NO hard and fast rules". The book is helpful for students of the word. One can learn the plan of salvation from good translations, but knowledge of the Greek can answer questions, like the seeming contradiction between (ROM 3:23 & 1 JOHN 1:08,10) with (1 JOHN 3:06,09). Or the question of why Jesus told Thomas to touch Him, but said to Mary "touch Me not" in (JOHN 20:17). Understanding the (normally) continuous/repeated of action of the present tense can answer these questions. I believe the book has a few flaws (thus 4 stars). I think WM gets some things wrong, like when he says a commentator should never say something in the Bible is clear or obvious. One might say this about figurative language - like REVELATION, but if the Bible isn't clear about say, what one must do to go to Heaven, then what's the point? Also WM says on pg 126 (2nd "dot") a student can't "argue" with a commentator or a translator - he/she doesn't know enough Greek. One doesn't have to be a scholar to be able to see when someone is putting in his/her own theology (at least there are enough clear passages in the Bible that one shouldn't have to). The great scholar A.T. Robertson mentions this on pg 389 of his "big book" - there comes a point when grammar stops and theology takes over. Even WM says there're commentaries he doesn't recommend. I recommend the book. As to the few problems, always remember what Douglas K. Stuart said in his book on commentaries "just because one is a PHD, doesn't NECESSARLY mean that he/she is right and you're wrong". Always let the Bible speak for itself.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2015
J
Verified Purchase
Jarvis Hearn
Los Angeles, US
★★★★★ 5
Greek for the Rest of Us
Format: Paperback
I wish I had had this book when I first started New Testament Greek back many years ago. (I'm sure my grades would have been better, and my understanding much better.) I got this book to brush up on my Greek and it has helped a great deal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2014

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