Thousand Chapter MIPS Adult Bike Helmet - LED Tail Light, Cycling & Bicycle Safety Certified, Lightweight & Low Profile, Men & Women, Lockable PopLock
Condition: New
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 4 left in stock, order soon!
Arrives
Wednesday, Aug 26
Recently Viewed
Color: Racer Black
Size: Medium
Features
- MIPS: Add an extra layer of protection with integrated MIPS technology.
- MULTI-USE MAGNETIC LIGHT: Ride smoothly from day to night with an included 30 lumen USB rechargeable taillight that turns on automatically when magnetically attached to the helmet or multi-use adapter.
- PREMIUM VISORS: Reduce glare and increase your field of vision with visors in elevated finishes, including hand-painted tortoise shell, matte black, and metallic rose gold.
- SECRET POPLOCK: The most convenient and secure way to leave your helmet behind. Access the hidden channel behind the logo mark, and thread your U-lock or chain lock through. Backed by our Anti-Theft Guarantee.
- ACTIVE VENTILATION: 8 strategically placed vents actively capture airflow and pass it through the interior cooling channels developed to keep you cool on your long rides.
Brand: Thousand
Color: Racer Black
Age Range (Description): Adult
Size: Medium
Special Feature: Adjustable Strap, MIPS Technology, Visor
Brand Name: Thousand
Age Range Description: Adult
Model Name: Thousand Adult Bike
UPC: 854382008815
Global Trade Identification Number: 15
Manufacturer Part Number: 7050201204
Model Number: Thousand
Unit Count: 1 Count
Manufacturer: Thousand
Size: Medium
Item Dimensions: 13 x 10 x 7 inches
Item Weight: 2.15 Pounds
Color: Racer Black
Outer Material: Polycarbonate (PC)
Inner Material: Expanded Polystyrene
Recommended Uses For Product: Cycling
EU Spare Part Availability Duration: 5 Years
Additional Features: Adjustable Strap, MIPS Technology, Visor
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Aug 26
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
** INITIAL REVIEW: 2 stars ** (Scroll down to see update.) This helmet is gorgeous and incredibly lightweight, but the advice to size down if you’re on the cusp was 100% wrong for my head shape. My head is 57cm or hat size 7 1/8, and is a “long oval” shape, which means long front to back and narrow side to side. I wear: - a large in women’s hats - a medium in men’s hats - a medium in most bike helmets (Giro, Bell, etc.) - a medium in most motorcycle helmets (Shoei, Arai, etc.) (FWIW, the size medium in the Nutcase Street helmet — a competitor that a lot of people try before shelling out for this Chapter helmet — is too tight on me, and the large is comically big. That helmet just doesn’t work for me at all.) 57 cm is on the cusp between small and medium in most helmets, including this one by Thousand. So following their fit advice as well as that of other reviewers — and against my own better judgment — I sized down to a small in this Chapter helmet. Bad move. :( It pinches my head front to back. Awful pressure points; immediately headache-inducing. It’s a beautiful helmet, but I’m annoyed at the misguided advice to size down. Now I need to exchange it for a different size. Will update my review pending a response from Thousand customer service. ** UPDATE, two weeks later: 5 stars ** Thousand customer service was great. They sent me a medium right from their warehouse in California, and it fits perfectly! Shipping was free. I returned the size small to Amazon. Now that the helmet fits correctly, I’ve explored all the accessories that come in the box. Based on other reviews, I think Thousand has fixed the issue with the magnetic USB tail-light turning on while charging. While I charged mine, only one small LED gently flickered (and then held steady when the charge was full). It certainly wasn’t blinking at full brightness while charging, like reviewers from previous years mentioned. The light does automatically turn on when it magnetically snaps on your helmet. And holy cow is it BRIGHT. I can see how this would be really useful in many cases but annoying in others. I love the pop-lock feature and can easily fit my U-lock through it. I’m convinced that, with MIPS, this is the best helmet on the market. It’s SO pretty and lightweight, it looks cool, it’s super functional, and I love the company’s free replacement policy. I love this helmet!
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Reviewed in the United States on July 16, 2022 by 🌴 Tropical Panda 🌴
Color: Club Navy
Size: Large
I'm new to biking and know nothing about helmets and really got lucky purchasing this one. It's light-weight, good looking (not space age chic, I'm 64 and just wanted something not too flashy), easy to get on and off (with the magnetic clasp), easy to adjust and has that great little hole for locking it up with your bike lock. I face planted the other day. Hard enough to break the visor. (Replacements are available on their website, but not on Amazon). It saved my face. I have some minor scrapes and scratches but with the visor shattering, I would have had a very different story to tell if I had not been wearing this helmet. I forget I have it on, it's so comfortable. I cannot recommend this helmet highly enough. And thank you Thousand, for saving my face!
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Reviewed in the United States on February 19, 2023 by S. Davis
My wife picked this helmet, and for the first time in history, she likes the way a safety device looks. It’s not dorky, it actually fits well, and the MIPS protection gives us peace of mind without looking like she strapped a spaceship to her head. Bonus points for the clever little hole to lock it up — makes leaving it on the bike feel way safer than the usual “hope no one swipes this” scenario. Comfortable, stylish-ish, functional, and actually used — exactly what a helmet should be.
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Reviewed in the United States on September 14, 2025 by R.W.
Color: Racer Black
Size: Medium
The helmet is fine, with a few areas of dissatisfaction. It's not as comfortable as I'm accustomed to, with minimal padding on the forehead and elsewhere, and none on the back. The touted magnetic clasp is awkward compared to the spring buckle I'm used to, especially with a beard, and the attachment point of the straps at the back of the helmet creates odd positioning for comfortable adjustment. The straps get easily twisted when putting the helmet on, I'm still tweaking them to avoid having them rest on or dig into my ears, and the adjustment sliders press against the face. The adjustment process has been lengthy and frustrating. My old helmet was far more comfortable, the two anchor points of the straps were both on the sides of the body of the helmet, avoiding weird twisting problems, and attached simply with a buckle that snapped together when one end was pushed into the other. Unfortunately it's way past its recommended life span. With all that being said, I like the basic shape and design of this helmet, the dial tension adjustment on the back works well, and I really appreciate the hole in the side that allows it to be locked with the bike.
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Reviewed in the United States on January 3, 2026 by kw
good quality
Reviewed in the United States on June 2, 2026 by Otto
Color: Metro White
Size: Medium
It was time to replace a Giro retro helmet with a fabric brim that had been discontinued. Tried the Retrospecs version but it was heavy, uncomfortable and hot. My head is kind of tall but a little flat in the back, so finding a good fit can be challenging. I got this helmet in a medium and it adjusts to the best fit ever for me. The strap adjustment clips on the sides snap open easily but close securely. The quick magnetic chin clasp is a nice touch. The dial adjustment on the back locks securely. Plenty of ventilation for commute/casual recreation. And it's cute!
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Reviewed in the United States on July 12, 2025 by polecat
Color: Metro White
Size: Small
Bought this helmet for my wife (e-bike rider). She wanted something comfortable, stylish and easy to adjust. This helmet works well for these goals. She said it fits well and the strap is easy to adjust. Love the magnetic buckle. The helmet is also surprisingly lightweight given the mostly solid shell. Well worth the price.
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Reviewed in the United States on July 6, 2025 by Eric Boyle
Color: Club Navy
Size: Medium
This product has a poor design where the front edge rests on your head, there are three posts about the diameter of a pencil covered by a super thin pad, so when you wear it all the force is concentrated to one point on your forehead. It looks nice, but they obviously spent little thought about how the pressure points would sit and feel.
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Reviewed in the United States on May 27, 2026 by Koko