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Description
trek gravel bike checkpoint sl6 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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.1 ★★★★★
Based on 2013 reviews
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Product Reviews
★★★★★ 5
ABSOLUTELY A MUST for Omegaverse Girls!!!
I ABSOLUTELY LOVE Jillian West and her books!!! I’m so happy I already bought book two and now I have to buy the others for the Assurance Security series!!
Not gonna lie Val kind of annoyed me at the beginning but she grew on me!! Her men are chef’s kisses!!! Holt annoys me some but I can let it slide. I already bought part two so I’m going to be reading that in between work phone calls!!!! DON’T TELL MY BOSS 😂😂😂😂
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Reviewed in the United States on September 30, 2025
★★★★★ 4
Baby bumps and bodyguards
Format: Kindle
Dark, emotional, and unexpectedly tender, Not Ready is an omegaverse romance that delivers found family feels, fierce protectiveness, and a very pregnant heroine who refuses to break. Vale’s on the run from a stalker, but lands in the arms of three private security alphas, cue the swoony tension, fake marriage twist, and slow-burn heat.
It’s a little gritty, a little soft, and a whole lot addictive. If you love protective alphas, high stakes, and heroines with quiet strength, this one’s a must-read.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Strong Omegaverse Comfort and a Attention Grabbing Plot
Format: Kindle
Jillian West never misses when it comes to Omegaverse, and Not Ready is no exception. This story was the perfect blend of cozy comfort and emotional depth while still delivering a strong plot.
Vale is such a powerful heroine, she is strong, capable, and determined but I love that she still allows her pack to love and take care of her. It’s that balance of independence and vulnerability that makes her so relatable.
The relationship dynamics were amazing: Bishop is steadfast and completely head over heels, Mercy is skeptical but protective in his own way, and Holt is the hesitant one whose slow fall is so satisfying to watch unfold.
The romance hits that sweet spot between insta-love and cautious build, keeping me hooked the entire way through. And that ending. Oh my god, the cliffhanger! I need the next book in this duet immediately.
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Reviewed in the United States on August 28, 2025
★★★★★ 5
Interesting
Format: Kindle
So I will say I enjoyed the story, for sure had its moments where it dragged but it was a great story. I really liked that omegas picked their alphas/make the pack. Normally the Alphas make it and the omega fits in with them which is great but I enjoyed this new version where all the power basically went to the omega. It was a nice change of pace. I can admit some of the weird bedroom stuff with her being pregnant was odd, it’s really not hard to do stuff when pregnant (I know I’ve had two and it’s normal and even encouraged at the end especially if you want the baby out). But I like the story as a whole and will read the second, I do hope the next one isn’t dragged bc it stopped being action or tense after she met her alphas and I don’t think it was brought up or properly done when they tried to do it. More sweet after she left.
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Reviewed in the United States on November 11, 2024
★★★★★ 3
I’m a little disappointed.
Format: Kindle
I usually like Jillian West’s books but this one was missing a lot for me. The pregnancy didn’t come across as real. She’s on her feet for 12 hour days but is perfectly healthy at 8 months pregnant? Yet the week she moves in all of a sudden she’s not? She is planning on actually running during one of the plot buildups. But at 8 months pregnant that’s incredibly hard to do. The lack of breathing ability and lung space, the change in body center, mass, and gravity. All of it prohibits running, unless you’re an athlete this didn’t come off as at all realistic.
I didn’t feel any connection with the alphas. There wasn’t any emotional connection. It could be because of the tense it was written in. But I didn’t get any deep feelings out of this. It came across as checking off boxes. Even the spicy scenes weren’t really believable for me. I wanted to see them fall for her, and it just kind of all fizzled. Even Bishop.
One thing I did really like was the ending. I did not see it coming and I’m interested in reading book two because of it. But on the whole this book was mostly disappointing for me.
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Reviewed in the United States on March 16, 2024