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Description
carbon fiber gravel bike frame Best Bikepacking GravelSpecifications of Altera G21 UCI Approved Yes Parts Included G21 Frame, Fork, Handlebar, Seatpost Lead Time 45days Frame Size 45cm,49cm, 52cm, 54cm, 56cm, 58cm, 60cm Material High Modulus Toray 800 Carbon Fiber Color Artisan Black BB BB T 47 inboard bearing GRX crank: T47 BB inboard bearing for Shimano 24mm spindle size SRAM DUB DUB wide crank: T47 BB inboard bearing for SRAM DUB SRAM GXP: T47 BB inboard bearing for SRAM GXP BB Width 85. 5mm Headtube
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Specifications of Altera G21
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UCI Approved
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Yes
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Parts Included
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G21 Frame, Fork, Handlebar, Seatpost
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Lead Time
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45days
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Frame
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Size
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45cm,49cm, 52cm, 54cm, 56cm, 58cm, 60cm
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Material
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High Modulus Toray 800 Carbon Fiber
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Color
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Artisan Black
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BB
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BB T-47 inboard bearing
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- GRX crank: T47 BB inboard bearing for Shimano 24mm spindle size
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- SRAM DUB / DUB wide crank: T47 BB inboard bearing for SRAM DUB
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- SRAM GXP: T47 BB inboard bearing for SRAM GXP
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BB Width
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85.5mm
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Headtube
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Straight 1-1/2”
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Rear Dropout
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12*142 Thru Axle
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Rear Derailleur Hanger
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Universal Derailleur Hanger (UDH) - Replaceable
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Frame Weight
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Champagne 1170g (56cm)
Raw 1150g (56cm)
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Handlebar
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H21 carbon integrated handlebar
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Handlebar Size
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400mm, 420mm, 440mm
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Stem Size
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80mm, 90mm, 100mm, 110mm
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Handlebar Weight
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360+/-15g (420x90)
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Fork & Seatpost
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Fork
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1 1/8" - 1 1/2", 12*100 Thru Axle
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Fork Weight (Painted, 56cm frame)
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480g
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Seatpost Weight
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95.2g (without clamp)
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Seatpost Shape
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Round (27.2mm)
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Compatibility
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Chainring
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- Single: Max of 42t for normal crank spindle and 44t for wide crank spindle
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Brake Fitment
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Flat Mount Disc
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Cable Routing
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Internal
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Bottle Mounts
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4
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Mudguard Compatible
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Yes
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Cargo Rack Compatible
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Yes
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Max Tire Width
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700x53mm, 650Bx2.1” (single chainring setup)
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Accessories
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Handlebar Spacers
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- 3mm: 1PC
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- 5mm: 1PC
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- 10mm: 2PCS
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Headset Bearing Cap
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10mm: 1PC
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Front Axle
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1pc
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Rear Axle
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1pc
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Limited Rider Weight
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125KG
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Warranty
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6 Years
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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
4.3 ★★★★★
Based on 14 reviews
Sort
Product Reviews
★★★★★ 4
Arguably bulletproof
Pattern Name: Tug Pull, Size: Large
All good. The gauge is slightly large which my dog, Magnum {66 lb American Stafordshire Terrier), struggles with - slightly. Not a big problem and I am thinking that if the guuge were smaller, Magnum would be able to chew through it
and ruin the toy. Comfy grip. Center piece or grip works great also because Magnum likes to grip that which allows the 2 handles to be free for human pulling.
Walmart has/had a similar item, but..........one end has tiny spikes meant for the dog to grip. My dog never liked that end, however, so I always got the ucomfortable knobly end and he got the smooth human end - hah ha. Too, Magnum chewed through two of these Walmart toys., I have seen Magnum chewing on this reviewed toy, but I am seeing zero damage. Walmart's toy is cheaper, but the lifetime guarantee on this Tuff Tug toy eliminartes any price advantage.
Update 6 months later - the product appears to be bulletproof.....until it wasn't. Everyone on the dog park marveled at the item's amazing durability in terms of daily severe abuse AND my dog's preoccupation with gnawing on the toy. Not only does it hold up, but there are almost no discernable chew marks.
All of that said, the toy did finally show some coming apart today (mid March '24 - bought Oct '23 with lots of daily chewing and tug of war abuse). Remarkably, with a good 30% of the item's thickness chewed through - it still stands up to severe and constant tug of war strain......like nothing ever happened!
We joke at the dog park that tbe toy is made of Kryptonite.
Yes, it's now damaged some, but I feel it is well worth the 20.00 price for the service it has delivered...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 3, 2023
★★★★★ 3
Great chew toy, poor frisbee
Pattern Name: Tug Frisbee, Size: Large
Bought the Tug Frisbee. It's a terrific chew/tug toy (I'd give it 5 stars for this), but it's a very poor frisbee (I'd give it 1 star for this). The material is really heavy, flexible and tough which is why it's such a great chew/tug toy. But this makes a very poor flyer. And the weight is concerning enough that I wouldn't throw it at our dog. We got a great toy out of this, just not a frisbee.
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Reviewed in the United States on October 28, 2025
★★★★★ 5
Great for my beautiful blue heeler
Pattern Name: Tug Frisbee, Size: Large
If you know what a Blue Heeler cattle dog can do is pretty similar to a velociraptor. She is not damaged this in any way shape or form and, really enjoys chasing it. Just simply toss it, very sturdy, simple to clean, just the right size. I have tested a lot of toys with her, she has destroyed a lot of toys, this one's pretty much indestructible.
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Reviewed in the United States on February 28, 2026
★★★★★ 2
Perfect combo of frisbee and rock.
Pattern Name: Tug Frisbee, Size: Large
Looks like a frisbee, flies like a rock. This is definitely not for exercising your dog. It is not a flying frisbee. Not at all.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Strong tug toy!
Pattern Name: Tug Pull, Size: Large
Great tug toy for our crazy chewer! Quite a few good play sessions and no tooth marks!! The material is great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026