7iDP Project 23 Carbon Full Face Helmet Black/Raw Carbon S 55 - 56cm Range-12-25 Color Black Rings 46/30 Number H012090-03-700 Tooth Count-54 Volume Range 0 5L Boot Size:11.5

7iDP Project 23 Carbon Full Face Helmet Black Raw Carbon S 55 56cm Range 12 25 Color Black Rings 46 30 Number H012090 03 700 Tooth Count 54 Volume Range 0 5L Boot Size:11.5 Color Black Rings 46 30 Number of Chainrings Double Crank Length (mm) 170 Crank Intended Use Gravel Drivetrain Speeds 10 Weight 819 BB Included No Pedal Spindle 9 16" Spindle Interface Type Shimano Hollowtech II Chainring BCD 80 Chainline Hub Compatibility 135 142 Road Disc Hubs > 415 mm Chainstay Defined Color Black Size 170Mm Chainring Bcd 46 30T 110 80BCD Speed 10 Speed The crank length and distance between the pedals are ergonomically adapted to fit children's bodies