Product details of Duranta CB Gravity 26" Green Multi Speed (804960). For more details about this product, please dial 09610002345 to get assistance from our expert agents. Installation Fee and Service Charge 1000 Taka for Inside Dhaka Only. Frame:Steel: 26"x18" Tig Welded. Fork:Steel Suspension Fork with Lock System. Handle Bar:Steel: Raise 30mm, 22.2*600mm, Barbore: 31.8mm. Rim:Alloy Double Wall 36 Holes.