The Shredder 18 Girls has all the same features as the Shredder 18 but with a slightly different frame. The geometry is the same but the girl's version has a slightly lower top tube stand over which makes it easier to straddle. FEATURES 6061 alloy Shredder lo-profile frame 1-1/8 threadless headset 28-spoke wheels with 18" alloy rims Sure stop coaster brake and linear pull v-brake with adjustable lever Padded Jr. seat and Jr. plastic pedals Full pad set FRAMESET Frame Haro Low Profile Heat Treated 6061-T6 Series Alloy Frame Fork Steel 1-1/8" Threadless Steerer DRIVETRAIN Cranks Steel 1-pc - 140mm Bottom Bracket American Sprocket 36t Steel Chainring Pedals Mini Poly Platform, 1/2" Chain HARO BASELINE Standard Link Chain Cassette 16t WHEELS Tires HARO MS5 18 x 2.35" Front Hub 28h Steel Rear Hub Coater Brake Rear Rims 18" Alloy 28h, Single Wall BRAKING SYSTEM Brake "Promax Alloy V-Brake & Coaster Foot Brake " Brake Lever promax 2 finger child friendly size lever OTHER COMPONENTS Grips Haro Mini Grip Handlebar Steel, 6.5" Rise Stem Haro Baseline Forged Alloy Top-Load, 38mm Ext. Headset 1-1/8" Threadless Seat Jr. Haro Adjustable Seat Post Steel, 22.2mm Seat Post Clamp Alloy, 25.4mm Extras Training Wheels & Haro Padset & P type chainguard Size 18 (3'7" - 4'2" inches) Head Angle 73° Seat Angle 70° Top Tube 18" (457.2mm) Seat Tube 9.4" (238mm) Chainstay 13.4" (341mm) BB Height 10.5" (268mm) Stand Over 17.7" (450mm)