Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Challenge Gravel Grinder Pro Tire - 700 x 33, Tubular, Black/Tan, Handmade, TubelessIntended for all around or dirt gravel roads, this tire comes equipped with a file tread center and a knobbier shoulder tread. File tread center pattern offers low rolling resistance on smoother terrain and increased grip when the road gets rough Shoulder tread is more aggressive for corner confidence and additional control The Gravel Grinder is ideal for hardpack, gravel, sand, loose, and rocky terrains Product Specifics Color: Black Tan Defined
Intended for all around or dirt/gravel roads, this tire comes equipped with a file tread center and a knobbier shoulder tread.- File tread center pattern offers low rolling resistance on smoother terrain and increased grip when the road gets rough
- Shoulder tread is more aggressive for corner confidence and additional control
- The Gravel Grinder is ideal for hardpack, gravel, sand, loose, and rocky terrains
Product Specifics
- Color: Black/Tan
- Defined Color: Tan
- Flat Protection: Tread
- ISO Diameter: 622 / Road / 29"
- ISO Width (mm): 33
- Labeled Size: 700 x 33
- Tire Bead: Folding
- Tire Diameter: 700c
- Tire Intended Use: Gravel
- Tire Intended Use: Road
- Tire Type: Tubular
Today's Stock Status
Currently not available
UPC: Not available
EAN: 8855627106701
Manufacturer Part Number: 10670
TR4121
164816-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
4.2 ★★★★★
Based on 606 reviews
Sort
Product Reviews
★★★★★ 5
Good calcium and magnesium together
Size: 180 Count (Pack of 1)
Size is easy to take
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
Works great
Size: 180 Count (Pack of 1)
Excellent
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Truly Pure
Size: 180 Count (Pack of 1)
It’s often difficult to find a supplement that only contains the supplement of interest. So many supplements on the market have other additives. I appreciate that this supplement only has what I’m looking for.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 7, 2026
★★★★★ 4
Better for Your Body's Health
Size: 180 Count (Pack of 1)
I liked this version because it's natural without a bunch of unnecessary fillers, preservatives, flavorings, colorings, of other additives. Why can't all manufacturers follow the same example as Pure Encapsulations? Putting the customer health first!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 7, 2016
★★★★★ 5
good
Size: 180 Count (Pack of 1)
Great prokduct.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2026