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Description
trek gravel bike checkpoint alr 4 Trek Checkpoint ALR 4 – Gear WestCheckpoint ALR 4 is a high value gravel bike ready for the roads less traveled. Kitted out with a 300 Series Alpha Aluminum frame, Checkpoint ALR 4 is just as responsive on chunky gravel roads as it is smooth on the tarmac. Tons of features like tubeless ready wheels, a SRAM Apex 11 speed drivetrain, and mechanical disc brakes make Checkpoint ALR 4 the perfect ride for ease of entry into the wide world of gravel. Features: Frameset Frame: 300 Series
Checkpoint ALR 4 is a high-value gravel bike ready for the roads less traveled. Kitted out with a 300 Series Alpha Aluminum frame, Checkpoint ALR 4 is just as responsive on chunky gravel roads as it is smooth on the tarmac. Tons of features like tubeless ready wheels, a SRAM Apex 11-speed drivetrain, and mechanical disc brakes make Checkpoint ALR 4 the perfect ride for ease of entry into the wide world of gravel.
Features:
- Frameset
- Frame: 300 Series Alpha Aluminum, tapered head tube, Internal cable routing, 3S chain keeper, T47 BB, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm thru axle
- Fork: Checkpoint, full carbon, tapered carbon steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle.
- Weight
- 56 - 9.91 kg / 21.85 lbs (with TLR sealant, no tubes)
- This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg).
- Drivetrain
- Shifter: SRAM Apex, 11 speed
- Rear Derailleur: SRAM Apex 1, long cage, 42T max cog
-
Crank:
- Size 49: SRAM Apex 1, 40T, DUB Wide, 165mm length
- Size 52: SRAM Apex 1, 40T, DUB Wide, 170mm length
- Size 54, 56: SRAM Apex 1, 40T, DUB Wide, 172.5mm length
- Size 58, 61: SRAM Apex 1, 40T, DUB Wide, 175mm length
- Bottom Bracket: SRAM DUB, T47 threaded, internal bearing
- Cassette: SRAM PG-1130, 11-42, 11 speed
- Chain: SRAM PC-1130, 11 speed
- Max Chainring Size: 1x: 44T (SRAM), 50T (Shimano), 2x: 50/34
- Wheels
- Front Hub: Bontrager alloy, sealed bearing, centerlock disc, 100x12mm thru axle
- Front Skewer: Bontrager Switch thru axle, removable lever
- Rear Hub: Bontrager alloy, sealed bearing, centerlock disc, Shimano 11-speed freehub, 142x12mm thru axle
- Rear Skewer: Bontrager Switch thru axle, removable lever
- Rim: Bontrager Paradigm, Tubeless Ready, 24-hole, 21mm width, Presta valve
- Spokes: 14g stainless steel, black
- Tire: Bontrager GR1 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 120 tpi, 700x40mm, Bontrager Girona Pro, Tubeless Ready, GR puncture protection, aramid bead, 60 tpi, 700x42mm
- Rim Strip: Bontrager TLR
- Components
- Saddle: Size 49, 52: Bontrager Verse Comp, steel rails, 155mm width
- Saddle: Size 54, 56, 58, 61: Bontrager Verse Comp, steel rails, 145mm width
- Seatpost: Bontrager alloy, 27.2mm, 12mm offset, 330mm length
-
Handlebar
- Size 49: Bontrager Elite Gravel, 38cm width
- Size 52: Bontrager Elite Gravel, 40cm width
- Size 54, 56: Bontrager Elite Gravel, 42cm width
- Size 58, 61: Bontrager Elite Gravel, 44cm width
- Handlebar Tape: Bontrager Supertack Perf Tape
-
Stem
- Size 49: Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 70mm length
- Size 49: Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 70mm length
- Size 52, 54: Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length
- Size 56, 58: Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length
- Size 61: Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length
- Brake: Tektro C550 mechanical disc brake, dual piston, flat mount
- Brake Rotor: Tektro, centerlock, 160mm
- Rotor Size: Max brake rotor sizes: 160mm front & rear
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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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]
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4.4 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 4
good book, needs an editor.
Format: Kindle
The premise was good, and the story arcs were good. But the actual writing style of this book left a lot to be desired. I see the author is up to book 16 as of now. Hopefully they have fixed a lot of these minor issues.
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Reviewed in the United States on January 29, 2026
★★★★★ 5
So Happy I found this
Format: Kindle
Excellent addition to the genre. On par with some of the other great series in the space and better than many I have read.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Great read once the action gets going
Format: Kindle
I've never read anything by this author and picked up this series after seeing how many books were already released; very important to me nowadays as I keep hitting the end of other series I really enjoy and get stuck waiting for the author to complete writing the next installment.
No such problem here as there are nearly a dozen installments already published. Plus, this first book was nearly 800 pages. It is the typical LitRPG where the storyline starts off with earth being forcefully and suddenly integrated into the "multiverse" and the MC having to learn all about the magic and leveling system in order to grow strong enough to find his family and defend himself.
Thr plot might be standard but the writer throws in plenty of interesting bits like the primary invaders being demons and the MC choosing to wield an axe rather than the traditional sword. The only problem is that the MC is a bit of a whiner at first and nothjng much happens except a lot of grinding so stick with it. The action starts around the second half when he leaves his immediate surroundings full of low level mobs to engage the invaders.
From there it only gets more interesting as he discovers other species whose worlds were merged with earth along with fellow humans. A leaderboard is also introduced tracking levels and wealth so we get a glimpse of other powerful humans besides the MC. The system controlling the multiverse promotes conflict and rewards the strong so the MC undergoes a total attitude change and goes from a desk jockey to near bloodthirsty in his quest for power.
Purchasing the next book straightaway as I cant wait to read where the story heads. Would definitely recommend for fans of fantasy and particularly LitRPG.
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Reviewed in the United States on December 9, 2023
★★★★★ 5
Reads like a video game
Format: Paperback, Format: Paperback
Reads like a video game. Captivating, entertaining and hard to put down. If you like stories where your character becomes stronger and more skilled as he overcomes his enemies, gaining titles and unlocking quests, then this book is for you. I am honestly surprised at how much I enjoyed reading this book. I can’t wait for book 2 to arrive.
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Reviewed in the United States on January 4, 2026
★★★★★ 4
Entertaining, stats go burr, some annoying writing quirks
Format: Audiobook
This series is like following along your favorite video game MC. It has a decent amount of plot, although there occasionally is too much tangential action before resolving a plot. Don't expect amazing depth and you'll be pleasantly surprised by how mindlessly entertaining this story is. Yes, the male MC is so lucky that he survives everything even without a clever plan (ever) but at least the author kinda explains this with a high luck stat. It's basically an in-world explanation for plot armor, which I kinda respect in its audacity.
That said, two complaints:
1) As a biologist, it's annoying to hear the myth that the "law of the jungle" is "only the strong survive" as the "way of nature" repeated over and over. This is an old fashioned and inaccurate understanding of evolution, which is primarily about survival of populations and certainly has selection at multiple levels (genes, individuals, familial groups, & populations). The idea that the system's goal of "strongest survive" in this novel producing anything like evolution is an annoying and persistent reminder of how poorly most people understand evolution. Fitness is defined by how well an organism matches its niche and how many offspring it has, not how many it kills or how strong it is. So if a cultivator in this novel becomes amazingly powerful and has zero kids, they would be a total unfit creature as defined by evolution.
To add on, "law of the Jungle" understood as "every man for himself" is also an old misunderstanding of Kipling, who was actually making a point that even animals in nature follow some rules, after all "the strength of the Pack is the Wolf, and the strength of the Wolf is the Pack". It has always baffled me how such a small scale collectivist phrase has been so thoroughly misunderstood my our individualistic culture.
2) The author has several annoying writing quirks, like needlessly using the word "itself" all the time. Similarly, adjectives are heavily repeated. Author favorites are "powerhouse" & "monster". It makes no sense that every culture would have the same slang and it's annoying to hear the same words so often. Might I suggest a thesaurus? It's fine if Ogras always says "monster" but everyone can't do that or it just seems like the author has limited vocab.
On that note, too many things are described as near endless, limitless, etc. That is a nonsensical concept, which covers for not explaining something in measurements or metaphors. This is a common issue with authors who don't do math, but something "near" infinite, is actually infinitely far from infinite. Something is infinite or it's not. Again, lets find other terms like "vast" or "enormous." Or get even better and say something "stretched across a province/country/continent/planet/solar system/galaxy/etc". Those all provide size without saying something nonsensical.
2) Stats go burr to the point of confusion. We're supposed to track attribute points, Dao, race, core, skills, nodes, bloodline & bloodline skills. We need more charts at the beginning of each book. How about one showing how skills merged? And what's the difference between 50 and 100 strength. How about 1000 or 10,000? It'd be nice had even rough comparison to picking up some mass like 100 strength means picking up a car and 1,000 is picking up a mountain.
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Reviewed in the United States on November 20, 2024