DIYBMX bmx vehicle extreme bike 20 inch full bearing chromium molybdenum steel stunt car

brand introduction

This BMX bike is CR-MO frame, crmo4130 three pieces.

The frame size is 20.75 inches, and the tail fork is 12.75, which is better for the entry-level car

Practice hands flexibly, the rear hub still uses the bearing 4 bearing rear hub,

Stable performance, nowadays the popular upper cover raises the short stem,

2-layer aluminum alloy rims, aluminum alloy chainrings, and other accessories are also of good quality,

Sincerely recommend the cost-effective entry.

Configuration parameter

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

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

Handlebar: CR-MO4130 section handle (222mm height)

Grip cover: Dachang silicone grip cover + 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, 10mm axis (foot rod 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: 26T/28T aluminum alloy chainring, slightly high, if you need other sizes of chainring, please contact the seller, the style will be changed according to the inventory)

Chain: KMC 1-speed high-strength chain (professional BMX single-speed chain)

Rim: Double-layer 6061 aluminum alloy BMX dedicated rim

Cushion: One-piece saddle, 25.4 aluminum alloy seat tube

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

Tires: 20*2.2-2.4 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.