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
| 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, 44t Alloy sprocket |
| 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 |
| Hubs | Front: Alloy 36h, Loose Ball Rear: Alloy Flip-Flop 36h, Loose Ball |
| 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 |
| 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") |
RESOURCES
Owner's manual: Bike Manual PDF (Opens in a new window)
*Actual retail price may vary based on any added dealer freight, tax, and assembly fees