Assemble BMX vehicle 20 inch stunt bike extreme bike chrome molybdenum steel performance vehicle new

brand introduction

Three large pieces of CR-MO material (frame + front fork + handlebar)

Head Parts/BB shaft/hub are all bearing structure

The upper tube of the frame is 20.75 inches, the hub performance is stable, and the entry choice is good.

Configuration parameter

Frame: CR-MO (4130CR-MO) detachable brake seat assembly

Fork: Matching dedicated BMX internal threaded front fork (4130CR-MO)

Handlebar: CR-MO4130 four-section handle (241mm height)

Grip: Big factory extended handle+explosive screw handle plug (firmer/good quality)

Stem: Lightweight stem with upper cover 6061 aluminum alloy

(Good quality/high strength/horizontal tooth pattern at the installation port)

Head Parts: Dachang bearing built-in Head Parts 41.8mm

BB: Dachang 19mmMID BB kit (bearing BB)

Crank: Dachang cr-mo 8-key 3-section crank, 19mm right drive

Front hub: bearing hub, 36 holes, 9mm axis (foot lever can be installed)

Rear hub: 4-bearing hub, crisp sound, 36 holes, 14mm axis.

Flywheel: One-piece tower base bearing structure, right drive 9T (9T flywheel + 25T gear plate speed ratio)

The most suitable action

Chainring: 7075 25T aluminum alloy chainring

Chain: Half-mesh chain, high strength, SPANK brand, colorful YBN brand.

Rim: Double-layer 6061, 36-hole, double-layer, aluminum alloy BMX rim

Cushion: customized one-piece saddle, 25.4 aluminum alloy seat tube

Seat tube clamp: built-in frame (tighter/durable)

Tires: 20*2.2-2.3 sent randomly

Inner tube: 20*2.1-2.4

Pedals: nylon plastic pedals (for BMX)

Brakes: You need to make up for the price difference to install the brakes (a set of rear brakes sells for 9 dollars)

Foot lever: send randomly

Weight: 10.5KG

Warranty: frame + front fork + handlebar, one year warranty.