How many pieces does the LEGO Street Bike (8420-1) have?

The LEGO Street Bike set (8420-1) contains 506 pieces. It was released in 2005 as part of the LEGO Technic theme.

How can I find missing parts for LEGO set 8420-1?

On BrickMissing you can check which parts from the LEGO Street Bike (8420-1) you already own. Add your LEGO collection and we'll show exactly which of the 506 pieces you're missing and which you already have.

Can I build the LEGO Street Bike with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 506 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Street Bike from?

The LEGO Street Bike (8420-1) belongs to the LEGO Technic theme. You can browse all Technic sets on BrickMissing to find more sets from this theme.

Street Bike

8420-1 Technic 2005 506 parts 11.2% repair risk Easy

The LEGO Technic Street Bike 8420-1 captures the mechanics of a motorcycle from 2005. This model features a mono-swing arm and two designer wheels. A functional 4-cylinder engine includes a chain drive that moves the pistons. Builders can adjust the rear suspension, adding to its authentic detail. For display, a kickstand allows the model to stand securely. The set includes instructions to rebuild the Street Bike into a custom chopper, offering a second construction. This Technic creation measures 17.78 cm high and 25.4 cm long, highlighting its engineering.

8420-1

3D build progress

Loading 3D model

Parts Inventory

🧱 506 parts

Part	Color	Qty	LEGO price each
Tile Special 1 x 2 Grille with Bottom Groove 2412b	Red	1×	€0,06 View at LEGO → View
Technic Pin with Friction Ridges Lengthwise and Center Slots 2780	Black	41×	Check price → View
Technic Beam 1 x 4 Thin with Stud Connector 2825	Red	2×	€0,21 View at LEGO → View
Technic Engine Cylinder with Side Slots 2850a	Dark Bluish Gray	4×	Check price → View
Technic Engine Piston Round 2851	Yellow	4×	€0,18 View at LEGO → View
Technic Engine Connecting Rod 2852	Light Bluish Gray	4×	€0,11 View at LEGO → View
Technic Engine Crankshaft 2853	Light Bluish Gray	2×	€0,16 View at LEGO → View
Technic Engine Crankshaft Center 2854	Dark Bluish Gray	1×	Check price → View
Technic Beam Triangle Thin [Type I] 2905	Light Bluish Gray	4×	Check price → View
Plate 2 x 2 3022	Red	1×	€0,10 View at LEGO → View
Hinge Cylinder 1 x 2 Locking with 1 Finger and Axle Hole On Ends 30552	Red	1×	Check price → View
Technic Pin 3/4 32002	Dark Bluish Gray	10×	Check price → View

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Repairability

Can you fix Street Bike if a piece goes missing?

11.2%Moderate repair risk

easy to fixguard this box

11 of the 98 part+color combinations in this set appear in 3 or fewer sets ever made. Lose one of those and a replacement is very hard to find.

Theme average

6.5%

All sets

6.7%

Hardest to replace

Hinge Cylinder 1 x 2 Locking · Red · only this setTechnic Disc 5 x 5 Notched · Light Bluish Gray · only this setWindscreen 8 x 6 x 2 Curved · Trans-Brown · only this set

How we calculate this →