Bike Academy Grade 4 Red 20" - 2025

Technical Details

• Wheels: 20" x 1.5" x 20H, aluminum, black

• Tires: VEE TIRE Rail 20"x1.50 (40-406), Skinwall Synthesis, reflective stripes, 90 TPI

• Frame Material: Triple-butted aluminum

• Frame Shape: Diamond Knick

• Weight: 7.50 kg

• Drive: 7-speed Microshift

• Shifter: Microshift, rapidfire

• Rear Derailleur: Microshift RD-M26S, short cage

• Crankset: ACADEMY 30T, 115mm, aluminum

• Cassette/Freewheel: Sunrace 11-28T

• Rear Hub: Aluminum, 14G/20H, black, QR

• Front Hub: Aluminum, 14G/20H, black, QR

• Front Brake: V-Brake (aluminum)

• Rear Brake: V-Brake (aluminum)

• Handlebar: 560 mm, double-butted aluminum, 20mm rise

• Stem: Adjustable

• Seat Post: 27.2mm x 250mm, aluminum

• Saddle: Vader

• Pedals: 95x80x23mm, ball bearing, black with reflectors, 9/16 thread

Bike Geometry

• Frame Height: 29 cm

• Seat Tube Length: 290 mm

• Seat Angle: 74.0°

• Head Tube Length: 115 mm

• Steering Angle: 74.0°

• Top Tube Horizontal Length: 454 mm

• Bottom Triangle Length: 340 mm

• Wheelbase: 833 mm

• Minimum Saddle Height: 590 mm

• Maximum Saddle Height: 700 mm

• Crank Arm Length: 130 mm