Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Promax Impact BMX Stem - 48mm, Top Load, BlackThe Impact is a top load BMX stem, cold forged from the highest quality 6061 T6 aluminum then CNC machined to refine the shape and further reduce weight. CNC machined 6061 T6 aluminum Product Specifics Stem Type: Top Load Stem Angle (deg): 0 Length: 48 Rise: 5 Reach: 48 Bar Clamp Diameter (mm): 31. 8 Color: Black Weight: 242 Defined Color: Black Steerer Clamp Diameter: 1 1 8" Stack Height: 30. 5 Today's Stock Status 10+ Available to ship in 2 4
The Impact is a top-load BMX stem, cold forged from the highest quality 6061-T6 aluminum then CNC machined to refine the shape and further reduce weight.- CNC-machined 6061-T6 aluminum
Product Specifics
- Stem Type: Top Load
- Stem Angle (deg): 0
- Length: 48
- Rise: 5
- Reach: 48
- Bar Clamp Diameter (mm): 31.8
- Color: Black
- Weight: 242
- Defined Color: Black
- Steerer Clamp Diameter: 1-1/8"
- Stack Height: 30.5
Today's Stock Status
10+ Available to ship in 2-4 Business Days
UPC: Not available
EAN: 4711103652367
Manufacturer Part Number: ST21-0BA85S48-BK
SM0673
183035-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:
- 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
4.0 ★★★★★
Based on 548 reviews
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Product Reviews
★★★★★ 5
Genial
Size: One Size, Color: (015) Tetra Gray / Gray Matter / White Quartz
Me encanta la textura y sobre todo que tiene para que siempre sepas en cuál pies va!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 29, 2025
★★★★★ 5
Comfortable
Size: One Size, Color: (348) Silica Green / White / Titan Gray
Comfortable and stays in place
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2025
★★★★★ 5
Best socks for work or working out.
Size: One Size, Color: (015) Tetra Gray / Gray Matter / White Quartz
Great socks. They stay on your heel! Love the material; breathable and not thick. Love the neutral tone colors.
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Reviewed in the United States on January 1, 2025
★★★★★ 3
Didn’t meet full expectations
Size: One Size, Color: (001) Black / Black / Jet Gray
Much shorter than anticipated.
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Reviewed in the United States on December 16, 2025
★★★★★ 5
Perfect thickness and soft feel.
Size: 6-10, Color: Halo Gray/Assorted
Why did you pick this product vs others?:
Love theses socks. It's hard to find socks which won't get pulled down by athletic shoes. These stay put.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 29, 2025