Annex Si

  • Year: 2021
  • MSRP: $319.99 *
  • Sizes: 19.5"
  • Colors: Black, Matte Green
  • Weight: 22.3 lbs
  • NO LONGER AVAILABLE

With its 19.5" top tube alloy frame, the Annex Si is a great starting point for riders who are considering hitting the local BMX track for the first time but also want a bike that can handle every day riding. The 165mm cranks and 40/16 gearing make pedaling a breeze whether on the track or on the way to school and the stylish BMX race inspired graphics are sure to catch attention.

FEATURES

  • 6061 alloy frame with 3D dropouts with integrated chain tensioners, 19.5" top tube
  • Full hi-ten fork with 1 1/8" threadless steer tube
  • Hi-ten 7.5" bar and Haro alloy front load stem
  • 1-piece 165mm crank with USA loose ball BB
  • 40/16t gearing
  • Haro padded fully adjustable seat
  • Kenda Kontact 20x1.95" front and 1.75" rear tires
  • Promax V-Brake and lever
SPECIFICATIONS
Frame Components
Frame 6061 Series Alloy Frame w/ 3D Dropouts w/ Built In Chain Tensioners
Fork Hi-Ten 1 1/8" Threadless
Headset Threadless Loose Ball, 1 1/8"
Drivetrain
Cranks Steel 1-pc, 165mm
Sprocket 40t Steel
Bottom Bracket Loose Ball American BB
Gearing 40/16
Chain KMC 410
Pedals Nylon, 1/2"
Wheels
Tires Kenda "Kontact" 20 x 1.95" Front / 20 x 1.75" Rear
Wheels/Rims 20" Alloy 36h, Single Wall
Front Hub 36H Steel, Loose-ball
Rear Hub 36H Steel, Loose-ball
Axle 145mm Front, 165mm Rear
Hubs Front: Alloy 36h, Loose Ball Rear: Alloy Flip-Flop 36h, Loose Ball
Freewheel/Cassette 16T Freewheel
Braking System
Brakes Promax MV-295L Alloy V-Brake
Brake Levers Promax XL-378 Alloy Lever
Other Components
Grips Micro Knurl Grips
Handle Bar Hi-Ten, 7.5" Rise
Stem Forged Alloy Top-Load, 45mm Ext.
Seat Haro Padded Adjustable
Seat Post Steel, 25.4mm
Seat Clamp Alloy, 28.6mm
GEOMETRY
Size Head Angle Seat Angle Top Tube Seat Tube Chainstay BB Height Stand Over
20 74° 70° 495mm (19.5") 250mm (9.8") 352mm (13.9") 293mm (11.5") 546mm (21.5")