SKU: 57088437544

Promax CK-1 Carbon Crankset - 170mm, 2-PC, Direct Mount SRAM 3-Bolt, 30mm Spindle, Black

Sale price$157.50 Regular price$175.00
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

Promax CK-1 Carbon Crankset - 170mm, 2-PC, Direct Mount SRAM 3-Bolt, 30mm Spindle, BlackCK 1 cranks are Promaxs top of the line carbon crank offering. The race ready carbon design maximizes strength and minimizes weight. The crank arms spin on a beefy 30mm spindle to increase stiffness and power transfer. These cranks offer direct mount chainring compatibility for additional weight savings, or run them with a 4 bolt 104 BCD chainring adapter, available separately. Premium carbon crank arms are lightweight and extremely strong 30mm

CK-1 cranks are Promax’s top-of-the-line carbon crank offering. The race-ready carbon design maximizes strength and minimizes weight. The crank arms spin on a beefy 30mm spindle to increase stiffness and power transfer. These cranks offer direct-mount chainring compatibility for additional weight savings, or run them with a 4-bolt 104 BCD chainring adapter, available separately.
  • Premium carbon crank arms are lightweight and extremely strong
  • 30mm premium 7075 aluminum spindle provides increased stiffness and efficient power transfer
  • Designed and optimized for chainrings with SRAM's 3-Bolt mount style (bolts sold separately. SKU number CK2203 recommended)
  • Compatible with Promax 4-Bolt 104BCD Spider/Adapter for CK-1 cranks (sold separately)
  • Pedal washers included and required
  • Bottom bracket sold separately

Product Specifics

  • Rings: Not Included
  • Number of Chainrings: No Rings, No Spider Included
  • Drivetrain Speeds: Single Speed 3/32"
  • Chainring BCD: Direct Mount SRAM
  • Chainring BCD: 104
  • Chainrings Included: No
  • Color: Black
  • Crankset Style: 2-Piece
  • Crank Length (mm): 170
  • Crank Intended Use: BMX
  • Pedal Spindle: 9/16"



Today's Stock Status

10+ Available to ship in 2-4 Business Days





UPC: 657993341407
EAN: Not available
Manufacturer Part Number: CK21-030CK170-BK
CK0495
184113-Q0-L



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: 57088437544

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Farrin Johnson
Charlottesville, US
★★★★★ 1
Does not connect
First the hoses do not connect together causing all kinds of vacuum leaks. There is no rifling in the diaphragm so oil leaks back up. Cheap piece of plastic
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Reviewed in the United States on June 9, 2022
M
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Miguel Quezada
New York, US
★★★★★ 5
Great price
Great product
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Reviewed in the United States on May 23, 2026
A
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Alan C
Cuba, US
★★★★★ 5
Give me a try I don’t think it’ll let you down
This has to be the best oil I ever used. I noticed the difference as soon as I put the oil in and started the engine.! I will continue to use this oil for as long as I own, the vehicle and any future cars I may own or drive! I read 75% of the reviews before purchasing this oil . The only thing I’ve noticed. Anyone who gave it below a five star was because they received used motor oil.. in my opinion I think it was returned after somebody filled it up with their used motor oil and returning it for their money back somehow Amazon put it back on the shelf for resale. So take it for what it’s worth but it’s really great oil.
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Reviewed in the United States on March 24, 2026
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miguel vazquez
Boise, US
★★★★★ 5
Great oil
Won’t use another brand now that I’ve used these guys. Phenomenal brand, noticeable difference in the engine.
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Reviewed in the United States on April 2, 2026
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Carlos G
New York, US
★★★★★ 5
Recommended
Excellent quality, a synthetic mixture that I will no longer use another brand for my car. I removed a little noise that I had
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Reviewed in the United States on December 30, 2025

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