SKU: 79022857228

Crankbrothers Synthesis Gravel Carbon Wheel

Sale price$481.50 Regular price$535.00
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

Crankbrothers Synthesis Gravel Carbon WheelDrawing inspiration from our Synthesis mountain bike wheels, our new gravel wheelsets are engineered to deliver an unparalleled riding experience, even on the most challenging terrain. Designed with compliance in mind, our Synthesis Gravel wheels offer a smooth and comfortable ride thanks to their wider rim profile. With enhanced stability and traction, Synthesis Gravel wheels provide optimal performance for adventurous gravel rides that demand

Drawing inspiration from our Synthesis mountain bike wheels, our new gravel wheelsets are engineered to deliver an unparalleled riding experience, even on the most challenging terrain. Designed with compliance in mind, our Synthesis Gravel wheels offer a smooth and comfortable ride thanks to their wider rim profile.

With enhanced stability and traction, Synthesis Gravel wheels provide optimal performance for adventurous gravel rides that demand durability and reliability. These wheelsets are crafted to last, making them excellent for long-distance rides and rugged adventures.

Features:

  • Wheels sold individually not in sets
  • Tuned Carbon Wheel System for gravel riding on even the most challenging terrain
  • Compliant tuned front and rear wheels improve handling and maximize grip and control in turns
  • Wide 26.5mm inner rim width optimized to support tires from 40mm-48mm, providing increased tire volume and contact patch for maximized grip in turns, while also adding sidewall stability.

Synthesis Gravel rear wheels come equipped with either XDR or HG Road freehub bodies. Both of these road-length freehub bodies may be adapted for MTB cassette spacing with a 1.85mm spacer. In addition, we offer Microspline freehub bodies separately, available here. For more information about freehub and cassette compatibility, please refer to the manufacturer of your drivetrain. 

Specifications:

Compatibility: Tubeless ready / Compatible
E-bike Compatibility: No
Hub: Synthesis Ratchet
Hub Engagement: 10°
Hub Type:
Centerlock
Axle Spacing: Front 12x100mm TA | Rear 142x12mm TA
Rim Material:
Carbon
Min/Max Tire Size: 30-55mm
Inner Rim Width: 
26.5mm
Outer Rim Width: 31mm  
Rim Height:
21mm
Spoke Count: 
28
Spokes:
Sapim D-Light
Weight Front:
695g (650B), 730g (700c)
Weight Rear:
825g (650B), 836g (700c)

SKUs
16825    Crankbrothers Synthesis Gravel Carbon Wheel 700c Front 12 x 100    
16826    Crankbrothers Synthesis Gravel Carbon Wheel 700c Rear XDR 12 x 142    
16827    Crankbrothers Synthesis Gravel Carbon Wheel 700c Rear HG Road 12 x 142    

16828    Crankbrothers Synthesis Gravel Carbon Wheel 650B Front 12 x 100    
16829    Crankbrothers Synthesis Gravel Carbon Wheel 650B Rear XDR 12 x 142    
16830    Crankbrothers Synthesis Gravel Carbon Wheel 650B Rear HG Road 12 x 142    

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: 79022857228

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4.4 ★★★★★
Based on 21 reviews
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Verified Purchase
BearlyVintage
Pawtucket, US
★★★★★ 5
Soft, Warm and Cozy
I have no idea how these stay up, probably magic. I'm tall so it's challenging to find boot style slippers that are long enough. If support or thick soles aren't an issue, these are the best I've ever found! My ankles and calves have never BEEN so warm; these are my go-to's in the evening. They're easier to walk in with socks but, without, they're floppy and loose. I'd hesitate to size down because it's more the lack of structure in the foot, not length. They wash well (air dry); still soft, warm and cozy. Inserts could probably be added to help with support. I tried them because I found them at a fantastic sale price but I'm buying another pair now, for winter. I'm a slipper person and I definitely notice the quality of materials in Acorns, when I compare them with other slippers.
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Reviewed in the United States on July 19, 2024
D
Verified Purchase
Dy
Natrona Heights, US
★★★★★ 5
My year round footwear
Size: 6.5-7.5, Color: Sunset Cable Knit
I literally LIVE in these "slippers". Inside, summer, winter, outside when I can. I have hardwood floors, so even summertime, they protect my feet. They give me enough cush, but not like structured slippers that feel more like shoes. I go through about 2-3 a year, but well worth it.
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Reviewed in the United States on March 16, 2026
A
Verified Purchase
Althea Morrison
Natrona Heights, US
★★★★★ 3
Weird sizing
Size: 5-6, Color: Charcoal
Weird sizing/ fit! It says that they run large in length, so I got one group-size down (5-6). (The sizes are in ranges rather than specific individual shoe size numbers). I liked the concept of the suede reinforced toe & heel for longevity. My heel and toes cleared the length/width comfortably/well and the overall width was more than adequate, yet I found them to be rigid-stiff- tight (to the point of cutting off circulation) specifically in the toe. Ok, I knew that was a possibility BUT……while the toe area was tight the ankle and calf were HUGE and would not stay up unless I wore over pants, defeating the purpose of a slipper-sock. The inside cushioning was soft and comfortable. When I walked, my heel would slip out over the sued area, into the wool sock parentheses, making it awkward to walk. Returning…No point in changing sixes, as if I get a larger foot size, the tow may fit better, but the ankle will be beyond too big. Sigh. Unfortunate, as the concept is sound….the manufacturing/sizing is bizarre. BTW : I have normal width feet (not wide or narrow) and my ankles and calves are on the thinner side. The fit may be better suited to people with wider ankles/calves????
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Reviewed in the United States on January 30, 2026
J
Verified Purchase
jennifer
Whiting, US
★★★★★ 4
So cute
Size: 8-9, Color: Charcoal Faux Fur
These boot slippers are super cute and comfy warm. Fit true to size. Inside is real soft and warm. No, they do not offer support....they are slippers after all. The fur does not go all the way around the back. The back is just the woven sweater material but I imagine they would have zero stretch if the fur went all the way around. It may not be as cute without fur all the way but they probably wouldn't stay up if they didn't have the stretch material in the back so your only choice would be to let them slouch. I can pull them all the way up and they stay, I can do any degree of slouch and they stay so I see this feature as purely functional. Love the 2 tone with the suede around the toe and bottom but this is where my only complaint comes in is the sweater material right above the suede toe looks puffy so that part looks a little silly but otherwise they are absolutely adorable, comfy, warm and as functional as a pair of slippers can be. I wore them out in light rain and my feet stayed dry. The bottoms are like a rubberized fabric so they may soak through if you're in constant wet. Traction is surprisingly good even though it doesn't have a lot of tread. Overall i love them.
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Reviewed in the United States on March 11, 2024
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Verified Purchase
Gail
Lexington, US
★★★★★ 5
The answer to calloused feet.
Color: Pink & Beige, Size: Medium/Large(fits size 8 to 11)
If you have dry callused soles, these are your answer. All my calluses left and my feet were very soft. They should not be walked in unless you are very, very careful as you will slip and fall. I stopped using them for a while and all my problem calluses are back, even when I use lotion at night. They tell you not to sleep in them, I don't know why. I do put these on at night and end up taking them off later as they're not comfortable to sleep in.
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Reviewed in the United States on April 28, 2026

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