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The Grifo is Challenge's most versatile cyclocross tubular; it performs consistently and predictably in virtually all conditions from fast and dry to wet and sloppy.

260tpi reinforced polyester casing for excellent moisture resistance and durability
All Challenge tires are completely hand-made
All-around tread design ideal for variable cyclocross conditions
Anti-puncture strip included in tire casing
Tread is glued onto fully-inflated casing to achieve a neutral tread state when tires are in use
Casing fabric is woven from thread spun at the Challenge manufacturing facility
Reinforced polyester casing provides added resistance to moisture damage
260 tpi reinforced polyester casing
Features seamless latex inner-tube
Recommended pressure range: 30-90psi

Item Specifications
Weight	360g
PSI	90PSI
Tire Bead	Folding
ISO Diameter	622 / road / 29"
ISO Width	34mm
Color Tread/Side	Black/Brown
Tire Type	Tubular
Tire Diameter	700c
Tire Use	Cross/Hybrid

Shipping Amounts: Our shipping is based on the amount of your order's sub total. We have a detailed chart at the top of the site that has all the shipping options for your delivery address.
When do items ship: We have an estimated time for an item to ship stated on each item page.
Our Daily cut off time: Monday -Friday is 3PM MST all orders placed after that point roll to the next business day.
Hazardous Items: All ORM-D items must be sent surface (ground) shipping, these items may include oils, spay based cans, compressed air, ect... We will do our best to show that an item is ORM-D on the item detail page. Again these items must be shipped surface.
Holidays that we do not ship on:
- New Years
- Martin Luther King Jr. Day
- President's Day
- Memorial Day
- 4th of July
- Labor Day
- Thanksgiving
- Christmas
Will Call @ Bike Stop: If you live in Colorado you can pick Will Call @ Bike Stop during checkout. Our address for will call is 2842C Janitell Road., Colorado Springs, CO 80906, Hours are 9-5 M-F. We will email you that your order is ready for pick up.
Over Sized Items (upcharge):

Over Sized Items (upcharge)
	USA FedEx Ground	USA USPS Priority	USA FedEx 2 Day Air	USA FedEx Overnight	Canada USPS Priority	Europe USPS Priority	Australia USPS Priority
OS-1	1.00	3.00	6.00	7.00	3.00	3.00	3.00
OS-2	3.00	6.00	12.00	20.00	6.00	6.00	6.00
OS-3	8.00	16.00	24.00	30.00	16.00	16.00	16.00
OS-4	10.00	20.00	40.00	70.00	20.00	20.00	20.00
OS-5	20.00	40.00	70.00	100.00	40.00	40.00	40.00
OS-6	40.00	80.00	160.00	200.00	80.00	130.00	150.00
This upcharge per Over Sized item covers the shipping of items that are over sized, heavy, odd shaped. The final shipping amount will show during checkout. Some Over Sized items can not be shipped USPS. OS-1 = Bicycle Mounted Racks, Wire Beaded Tire, OS-2 = Rim Only, Forks, Floor Pumps, Car Rack Cross Poles, Full Fenders OS-3 = Trainers, Rollers, Truing Stands, Rear Strap-On Car Racks, Baby Seats, Single Wheel OS-4 = Repair Stands, Kids Bikes, Trailers, Unicycles, Fairings, Wheelsets OS-5 = BMX Bicycles, Trial-A-Bikes, Storage Units, Baskets, Framesets OS-6 = Bicycles, Travel Cases, Hitch Racks, Large Tool Kits



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Challenge Grifo 700x34c Black/Brown Tubular