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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
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Description
SRAM EX1 E-Crank Crankset - 170mm, For Bosch, Brose, and Yamaha Bottom Bracket Interfaces, Direct Mount, ISIS Spindle Interface, BlackThe EX1 drive train was designed specifically for the demands of electric assist mountain bikes: a wide gear range with bigger jumps between gears and sturdy components to handle higher torque loads. Liberal use of features found on SRAMs high end MTB parts provide high value, quiet operation and ease of service. Built for high torque E MTB conditions Use with Bosch compatible or Direct Mount SRAM X Sync chainrings (sold separately) Product Specifics
The EX1 drive train was designed specifically for the demands of electric-assist mountain bikes: a wide gear range with bigger jumps between gears and sturdy components to handle higher torque loads. Liberal use of features found on SRAM’s high end MTB parts provide high value, quiet operation and ease of service.- Built for high torque E-MTB conditions
- Use with Bosch-compatible or Direct Mount SRAM X-Sync chainrings (sold separately)
Product Specifics
- Defined Color: Black
- Spindle Interface Type: ISIS
- Number of Chainrings: No Rings Included
- Chainring BCD: Direct Mount Bosch
- Crank Intended Use: Mountain
- Color: Black
- Pedal Spindle: 9/16"
- BB Included: No
- Designed for ebike: Yes
- Chainline/Hub Compatibility: 135/142 MTB Hubs
- Chainline/Hub Compatibility: 141/148 Boost Hubs
Today's Stock Status
Currently not available
UPC: 710845793578
EAN: Not available
Manufacturer Part Number: 00.6118.452.001
CK6399 350687-02
157096-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
4.6 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 3
Quality and Price
Color: Original Grey
For me a little tight on my ankles
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Reviewed in the United States on March 20, 2026
★★★★★ 5
Soft!
Color: Peach Fuzz
These socks for dry heels are wonderful. I purchased a balm for my feet and these help it soak in over night. They have a gel liner in the heel which is soft. The first few nights I could. Feel the socks just because I wasn't used to it but after a few wears I can't tell I have them on. Love them and seem to be helping my heels.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Soft heels, here I come!
Color: Blue Haven
⭐️⭐️⭐️⭐️⭐️
I bought these for my 16-year-old daughter, and she loves them. They’re super soft and cozy, and they’ve really helped with dry heels. The moisturizing lining works great, and her feet feel noticeably smoother after wearing them. She even wears them around the house because they’re comfortable, not bulky or slippery. Great quality and a fun little self-care item — definitely a win! I even bought myself and my mom a pair!
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Works great!
Color: Lavender Luxury
Kind of surprising but these actially work and are comfortable. I noticed a difference in my calloused heels after the first use.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Best thing ever!
Color: Lavender Luxury
These are the best thing ever! Put your favorite foot balm on then cover your heels with these socks and go to bed. You’ll wake up with the softest feet and no cracked heels!
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Reviewed in the United States on April 16, 2026