| Size | Recommended Height (cm) | Top Tube Length (B) (mm) | Seat Tube Length (A) (mm) | Seat Tube Angle (E) | Head Tube Angle (F) | Standover Height (H) (mm) | Wheelbase (WB) (mm) |
|---|---|---|---|---|---|---|---|
| XS | 150-160 cm | 511 | 420 | 74.5° | 70° | 110 | 1002 |
| S | 160-170 cm | 522 | 450 | 75.25° | 70.75° | 130 | 1005 |
| M | 170-180 cm | 539 | 480 | 74° | 71° | 130 | 1018 |
| L | 180-190 cm | 556 | 500 | 73.75° | 71.25° | 170 | 1030 |
| XL | 190-200 cm | 573 | 520 | 72.5° | 71.25° | 170 | 1045 |
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Ships within 48 hours · Estimated delivery Jul 3 - Jul 8
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Description
grx 400 gravel bike RINOS Carbon Gravel Bike Sandman4.0 Shimano GRX400 – Rinosbike.euRinos Sandman 4. Gravel Rediscovered. Ready for bikepacking. Unmatched Comfort in long rides. Shimano GRX 400 Shifting System Lightweight, only 9. 8 kg. Full Shimano Hydraulic Brakes Equipped with a High Quality Carbon Frame The frame and fork are crafted from TORAY T800 carbon, providing both lightweight durability and exceptional performance. The RINOS carbon handlebar paired with an aluminum headset ensures stable, reliable riding. Lightweight and
Rinos Sandman 4.
Gravel Rediscovered.
Equipped with a High-Quality Carbon Frame
The frame and fork are crafted from TORAY T800 carbon, providing both lightweight durability and exceptional performance. The RINOS carbon handlebar paired with an aluminum headset ensures stable, reliable riding.
Lightweight and Versatile for All Riders
Available in five sizes (50-58 cm), the Sandman4.0 is ideal for riders from 155 cm to over 195 cm in height. Weighing only 9.8 kg, this bike is perfect for long adventures, with a comfortable ROCKBROS saddle for an enjoyable ride.
Complete Shimano GRX Shifting System
The bike's 20-speed (2x10) SHIMANO GRX 400 RD-RX400 rear derailleur, paired with the 11-34T cassette, delivers quick and precise gear changes over a wide range of conditions.
Wider Tires for Every Adventure
With lightweight RINOS rims and NOVATEC rear hubs, the Sandman4.0 offers rapid acceleration and superb traction on diverse terrains, thanks to its CST 700x40C tires with sidewall protection.
Full Hydraulic Braking System
Equipped with full hydraulic disc brakes, this bike provides confidence-inspiring stopping power on both ascents and descents.
Easy Assembly for Quick Rides
The Sandman4.0 comes nearly fully assembled, including tools and an easy-to-follow manual for setup and maintenance, making it your go-to for any terrain.
Specifications
Model: Sandman4.0
Manufacturer: RINOS
Color: Black Green / Black Sand / Gold / Blue
Wheel Size: 28 inches (700c)
Frame Size: 50cm / 52cm / 54cm / 56cm / 58cm
Item Weight: 9.8 kg (may vary depending on frame size)
Mounting Points: 26Frame: RINOS, Toray T800 Carbon
Fork: RINOS, Toray T800 Carbon
Handlebar: RINOS, Carbon, 420/440*28.6 mm
Headset: RINOS, Aluminum, 1-1/8" 28.6*52*52*39.8 mm
Seat Post: RINOS, Carbon 27.2*400 mm
Saddle: ROCKBROS
Shifters: Shimano GRX 400 ST-RX400, 20 speeds
Rear Derailleur: Shimano GRX RD-RX400
Brakes: Shimano GRX 400 Hydraulic Brakes
Cassette: Shimano CS-HG500-10 11-34T
Crankset: Shimano GRX FC-RX600 46-30T
Chain: Shimano 10-speed
Wheels: RINOS, 28" 700C*28H*14G, 38 mm
Rims: Aluminum 700C*14G*28H F/V, 14*38 mm
Hubs: Novatec 28H*14G
Tires: CST 700*40C with sidewall (60 mm Presta valve)
Accessories: Tools, User Manual
Size Chart
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
4.8 ★★★★★
Based on 871 reviews
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Product Reviews
★★★★★ 3
Depends on where you're using it
Size: 16 Fl Oz (Pack of 1), Style: Pawsitively Fresh
It's great that veterinarians approve this product as one of the safer options for pets. It smells good and it does the job as good or better than others I've tried. The reason I won't continue to use it is that it is a heavy liquid and when you spray it into the air, falls to your floor very quickly. On tile, it leaves a shiny oily "wet" patch that can make the tile slippery which is dangerous and on carpet, since it is oily, I assume that dirt will quickly adhere to those areas forcing a carpet cleaning in a short amount of time. I happen to have cream carpet.
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Reviewed in the United States on August 4, 2025
★★★★★ 5
Love, love, love
Size: 16 Fl Oz (Pack of 1), Style: Pawsitively Fresh
Seriously, I LOVE this scent!
Works great, easy to use! I’d love that as natural ingredients and that I can spray it anywhere.
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Reviewed in the United States on June 1, 2026
★★★★★ 4
Nice
Size: 16 Fl Oz (Pack of 1), Style: Pawsitively Fresh
It's fine. It works well to mask the scent of whatever you're trying to hide. No residue. I just wish it was a bit more citrus-y.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
It works!
Scent: Smoky coffee, Size: 4 Fl Oz (Pack of 1)
There is a strong smell or roasted coffee beans but since I started using this product my edges are healthier and the hair at the middle of my head that has been struggling to grow is gaining some length. The product itself can get hard depending on the temperature of your room but if you use it as directed the texture isnt so bad. The oil is thick and not very greasy or difficult to wash away. Definitely effective. 100% will recommend.
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Reviewed in the United States on December 16, 2025
★★★★★ 5
It's Working
Scent: Smoky coffee, Size: 4 Fl Oz (Pack of 1)
I like how it softens and protect hair. I am using sparingly on my scalp and have not used enough to see hair growth yet. I have had it for a month but do not use daily. I am growing my grey hair out and I have noticed that some of the white hairs are more salt and pepper now so it naturally darkens hair. My friend who told me about the product has been using it longer and her grey hairs are pretty much unnoticed by the natural darkening effect, blending enough to give her a light brown look. I have extremely fine thin fragile hair so I leave it on instead of rinsing or washing it out per instructions, that is another reason I do not use daily on hair and scalp. So far I have not had any negative side effects by using sparingly and leaving in until weekly wash. There is a strong smokey smell but not overwhelming for me and the scent dicipates within an hour or less.so I am not bothered by it. After using product on my hair, I rub a little on my nails & cuticles. It appears to help, as my cuticles are a lot healthier now.
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Reviewed in the United States on February 1, 2024