trek gravel bike 2021 Trek Checkpoint SL 5 Gravel Bike with SRAM Apex
SKU: 31477593615
trek gravel bike 2021

trek gravel bike 2021 Trek Checkpoint SL 5 Gravel Bike with SRAM Apex

Sale price$22.12 Regular price$24.58
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Description

trek gravel bike 2021 Trek Checkpoint SL 5 Gravel Bike with SRAM ApexThe Trek Checkpoint SL 5 Gravel Bike with SRAM Apex AXS Electronic Shifting and Gen 3 Technology embodies a sophisticated fusion of innovation and durability, designed to meet the demands of cyclists seeking a high performance, versatile gravel bike. Featuring a lightweight yet robust frame paired with 700c wheels, this model delivers an optimal balance of speed and stability, enabling confident navigation across a variety of surfacesfrom paved roads

The Trek Checkpoint SL 5 Gravel Bike with SRAM Apex AXS Electronic Shifting and Gen 3 Technology embodies a sophisticated fusion of innovation and durability, designed to meet the demands of cyclists seeking a high-performance, versatile gravel bike. Featuring a lightweight yet robust frame paired with 700c wheels, this model delivers an optimal balance of speed and stability, enabling confident navigation across a variety of surfaces—from paved roads to challenging gravel trails. Its reliable disc brakes ensure powerful and consistent stopping power, enhancing rider safety and control in all weather conditions.

Central to the Checkpoint SL 5 is the advanced SRAM Apex AXS electronic groupset, which offers precise, seamless shifting that adapts intuitively to changing terrain. This technology minimizes rider fatigue by providing effortless gear transitions, allowing cyclists to maintain optimal cadence and performance. Complementing this is Trek’s Gen 3 technology, which significantly improves ride comfort and responsiveness through innovative frame design and material enhancements. This technology effectively absorbs vibrations and shocks, resulting in a smoother, more controlled ride whether on long-distance excursions or shorter, more technical routes.

Engineered as a unisex bike, the Trek Checkpoint SL 5 accommodates a wide spectrum of riders with its ergonomic geometry and versatile sizing options. It is tailored to satisfy both casual cyclists and serious gravel enthusiasts, offering a dependable and efficient ride without compromise. The bike’s high-quality construction and carefully selected components ensure long-lasting durability and consistent performance, making it a trusted companion for a variety of cycling challenges.

Whether your objective is to explore remote gravel paths, commute on mixed terrain, or undertake endurance rides, the Trek Checkpoint SL 5 Gravel Bike provides a refined combination of comfort, control, and adaptability. Its balanced design and cutting-edge features position it as an ideal choice for riders who prioritize reliability and versatility in their cycling experience. For additional options and accessories, explore the full range of Trek bikes and compatible Trek accessories to enhance your ride.

What It’s Good For

  • Riding on diverse terrains with excellent control and durability
  • Reliable stopping power in all weather conditions thanks to disc brakes
  • Seamless, precise electronic gear shifting with SRAM Apex AXS
  • Comfortable and responsive rides due to advanced Gen 3 technology
  • Versatile for both casual cyclists and serious gravel enthusiasts

What It’s NOT Good For

  • Riders looking for a bike specifically designed for road racing
  • Those who prefer a fully suspension bike for extremely rough off-road trails
  • Cyclists needing a bike optimized exclusively for urban commuting
  • Users requiring ultra-lightweight race bike specs beyond gravel capabilities

Frequently Asked Questions

Is the Trek Checkpoint SL 5 suitable for both men and women?
Yes, the unisex design provides versatile sizing options that accommodate a broad range of riders comfortably and efficiently.

How does the SRAM Apex AXS system improve shifting?
The electronic shifting system offers smooth, precise gear changes that adapt effortlessly to varying terrain, enhancing riding efficiency and reducing mechanical effort.

What advantages does Gen 3 technology bring to this bike?
Gen 3 technology enhances the bike’s comfort and responsiveness by optimizing frame design and materials to absorb shocks and vibrations, resulting in a smoother ride experience.

Can the Trek Checkpoint SL 5 handle long-distance rides?
Absolutely. Its durable construction, comfortable geometry, and reliable components make it well-suited for endurance cycling and extended gravel adventures.

Are the disc brakes effective in wet or muddy conditions?
Yes, the disc brakes provide consistent and powerful stopping performance regardless of weather or terrain, ensuring rider safety at all times.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 31477593615

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Larisa Thomason
Natrona Heights, US
★★★★★ 5
Finally, a good night's sleep.
For almost a year, I've had sleep issues. No problem falling asleep, but I'd wake up 3 hours later and be up for the next 2-3 hours. I'd finally fall back asleep just a bit before the alarm and spend the rest of the day in a fog. It didn't matter whether I went to bed at 8:30 pm or 11pm - I was still up by 1:30-2 and awake for hours. It gradually got worse and I got desperate. A friend recommended Melatonin and I resisted at first, having tried it after our daughter was born (almost 15 years ago). The tablets I took then had some odd side effects and I only took them for a few weeks before throwing the bottle away. Now, I think I have have been taking far too high of a dose, because these 3mg tablets work great. Be careful when you take them! I'm awake and alert for about 20 minutes and then zone out totally - even in the middle of a conversation. After a couple of months, I've learned to just lay a tablet on my nightstand and take it when I'm ready to turn out the light. It works great: cured the problem of middle of the night sleeplessness. I still wake up sometimes at night, but have no trouble dropping back off to sleep. And when I wake up in the morning, I'm alert, energetic, and not already counting the hours until I can go back to bed to get a good night's sleep. For me, this supplement would have been a good buy at twice the price - and my family agrees. I'm rested, cheerful, and so happy I gave it a try. So far, no bad side effects. In fact, no side effects at all. I am taking it daily, but considering trying it on a more limited basis because of concerns about long-term effects. Considering, but haven't done it yet because I'm so enjoying a good night's sleep that I'm afraid to tinker with success! Although I saw results the very first night I took this, I waited to write a review just in case it was a placebo effect at work. But it's been 11 weeks and I'm confident that this product is really effective for me.
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Reviewed in the United States on April 2, 2012
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Madelene Caselli
Boise, US
★★★★★ 5
Time release.. ONLY way to go
Used this brand before... when refill needed, came back for more. Time release is the best way to go as it works all night. Not one big hit when you 1st go to sleep... A nice "hit"... to get you to sleep and then a slow release of the rest, to KEEP you asleep... Don't think you'll be disappointed. I use sustained release with any vitamin/supplement I take (assuming the company makes it) .. including this. It's the best way to allow your body to utilize the product.
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Reviewed in the United States on April 14, 2023
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Paul Belanger
Massapequa, US
★★★★★ 5
A subtle sleep enhancer.
Melatonin, in my experience, is a very subtle drug. I took it for about a month and then stopped before I actually saw what it was doing. It allowed me to fall asleep quicker and when I woke up during the night, to fall back asleep quicker as well. No more tossing and turning. I prefer the timed release version since I tend to sleep about 4-5 hours straight and then wake up sporadically after that. I had been buying the timed release from GNC but this brand is much cheaper, more pills, and just as effective. I've also tried popping another one after that initial 4-5 stretch of sleep to further prolong sleepy time, but I don't know how effective that is. It doesn't put you to sleep, so there's no grogginess when you wake up. It just jump starts the natural process.
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Reviewed in the United States on June 21, 2017
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Lucien M.
Lake Worth, US
★★★★★ 4
Time release is the best way
I like these time released tablets. Time release is surprisingly hard to find unlike the immediate release style tablets. Time release allows for a longer sleep pattern as it enters the blood stream slowly over time allowing it to stay in you system. Immediate release will hit you hard and fast but your body will metabolize within a couple of hrs leaving you without the melatonin in you system. I took off a star for being pricey, but these do work very well.
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Reviewed in the United States on October 17, 2025
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Sharon D79
West Palm Beach, US
★★★★★ 5
Effective,low dose melatonin
Purchased this product again.
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Reviewed in the United States on May 7, 2026

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