Rev Up Your Imagination!
The Technic Street Bike is back!

Experience the thrill of building a classic 2005 Technic set. With 506 pieces, this Street Bike model offers a rewarding and realistic building experience.

🏛 Technic
Set #8420

Street Bike

The Street Bike is a classic Technic model.

Before you buy

Who it's for
Intermediate build Technic fans and motorcycle enthusiasts
Build
506 pieces · about 4.5 hours Build time is an estimate.
Price
$49.99 list price · 9.9¢ per piece
Availability
Retired at LEGO
★★★★☆ 4.0 AI-generated review score, not a customer rating

Fans appreciate the realistic design and smooth functionality of the Street Bike, particularly the working suspension. Some find the build repetitive in areas, but the final model is generally considered a satisfying display piece.

MSRP
$49.99
Best Price
$44.99
You Save
10% OFF
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📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The Street Bike is a classic Technic model. Released in 2005, it captures the essence of a sports bike with its sleek design and functional features, offering a rewarding building experience.

This set is perfect for Technic enthusiasts and motorcycle fans. The build provides a good introduction to Technic elements and mechanisms, resulting in a visually appealing display model.

Skip this if you prefer minifigure-scale models or complex builds with Power Functions. Consider newer Technic motorcycle sets with more advanced features and motorized options.

✨ New
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What are the key features of the Street Bike's suspension system? How does this set compare to other Technic motorcycle models in terms of realism and functionality? What is the best way to display this set to highlight its design? How has the value of this set changed over time, and what factors contribute to its collectibility?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI
🧩
506
Pieces
⏱
4.5h
Estimated Build Time
📊
Intermediate
Difficulty
Build Highlights:
  • Realistic motorcycle design
  • Functional steering and suspension
  • Detailed engine and exhaust system
  • Sturdy construction for display

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI
↑ Trending up since release
B
Investment Grade
⏳ Retired
The Street Bike 8420-1 presents an interesting investment opportunity. As a retired Technic set from 2005, it benefits from nostalgia and a growing demand for classic Technic models. The rising price trend indicates increasing collector interest. However, its relatively common status within the Technic theme means appreciation may be gradual rather than explosive. Potential investors should monitor market trends and condition carefully.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

Compared to newer Technic motorcycle sets, the Street Bike offers a simpler, more classic building experience. While it lacks advanced features like Power Functions, its focus on mechanical realism and sleek design makes it a desirable collector's item. Alternatives include the 42036-1 Street Motorcycle, which offers a similar aesthetic with updated Technic elements, or the 42130-1 BMW M 1000 RR for a more complex and detailed model.

📦 Parts Inventory

Piece count
506
Parts cataloged in this inventory
84 unique parts, 506 pieces
Tile Special 1 x 2 Grille with Bottom Groove Tile Special 1 x ...
Part #: 2412b 1× Red
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 41× Black
Technic Beam 1 x 4 Thin with Stud Connector Technic Beam 1 x ...
Part #: 2825 2× Red
Technic Engine Cylinder with Side Slots Technic Engine Cy...
Part #: 2850a 4× Light Bluish Gray
Technic Engine Piston Round Technic Engine Pi...
Part #: 2851 4× Yellow
Technic Engine Connecting Rod Technic Engine Co...
Part #: 2852 4× Light Bluish Gray
Technic Engine Crankshaft Technic Engine Cr...
Part #: 2853 2× Light Bluish Gray
Technic Engine Crankshaft Center Technic Engine Cr...
Part #: 2854 1× Dark Bluish Gray
Technic Beam Triangle Thin [Type I] Technic Beam Tria...
Part #: 2905 4× Light Bluish Gray
Plate 2 x 2 Plate 2 x 2
Part #: 3022 1× Red
Hinge Cylinder 1 x 2 Locking with 1 Finger and Axle Hole On Ends Hinge Cylinder 1 ...
Part #: 30552 1× Red
Technic Pin 3/4 Technic Pin 3/4
Part #: 32002 10× Dark Bluish Gray
Technic Beam 1 x 11.5 Double Bent Thick Technic Beam 1 x ...
Part #: 32009 4× Light Bluish Gray
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 1× Light Bluish Gray
Technic Axle and Pin Connector Angled #5 - 112.5° Technic Axle and ...
Part #: 32015 2× Yellow
Technic Beam 1 x 5 Thin Technic Beam 1 x ...
Part #: 32017 4× Red
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 5× Black
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 3× Light Bluish Gray
Technic Beam 3 x 3 L-Shape Thin Technic Beam 3 x ...
Part #: 32056 3× Black
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 20× Black
Technic Beam 1 x 6 Thin Technic Beam 1 x ...
Part #: 32063 2× Black
Technic Axle 5 Technic Axle 5
Part #: 32073 14× Light Bluish Gray
Technic Bush 1/2 Smooth with Axle Hole Reduced Technic Bush 1/2 ...
Part #: 32123a 13× Light Bluish Gray
Technic Axle and Pin Connector Toggle Joint Smooth Technic Axle and ...
Part #: 32126 2× Red
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 2× Black
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Technic Axle and ...
Part #: 32184 6× Black
Technic Axle and Pin Connector Angled #4 - 135° Technic Axle and ...
Part #: 32192 3× Black
Technic Axle 5.5 with Stop [Flat Short End] Technic Axle 5.5 ...
Part #: 32209 1× Dark Bluish Gray
Technic Beam 3 x 3 L-Shape with Quarter Ellipse Thin Technic Beam 3 x ...
Part #: 32249 2× Light Bluish Gray
Technic Beam 3 x 3 L-Shape with Quarter Ellipse Thin Technic Beam 3 x ...
Part #: 32249 4× Red
Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin Technic Beam 3 x ...
Part #: 32250 2× Light Bluish Gray
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening] Technic Gear 20 T...
Part #: 32269 1× Light Bluish Gray
Technic Gear 12 Tooth Double Bevel Technic Gear 12 T...
Part #: 32270 1× Light Bluish Gray
Technic Beam 1 x 9 Bent (7 - 3) Thick Technic Beam 1 x ...
Part #: 32271 1× Black
Technic Beam 1 x 9 Bent (7 - 3) Thick Technic Beam 1 x ...
Part #: 32271 5× Red
Technic Axle and Pin Connector Perpendicular Double Technic Axle and ...
Part #: 32291 6× Red
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 1× Red
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 5× Black
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 2× Light Bluish Gray
Technic Beam 1 x 7 Bent (4 - 4) Thick Technic Beam 1 x ...
Part #: 32348 4× Red
Technic Disc 5 x 5 Notched with Pin [Plain] Technic Disc 5 x ...
Part #: 32439b 2× Light Bluish Gray
Technic Beam 1 x 4 Thin Technic Beam 1 x ...
Part #: 32449 10× Black
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 3× Red
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 4× Red
Technic Beam 1 x 7 Thick Technic Beam 1 x ...
Part #: 32524 1× Black
Technic Gear 24 Tooth [New Style with Single Axle Hole] Technic Gear 24 T...
Part #: 3648b 1× Light Bluish Gray
Technic Axle 4 Technic Axle 4
Part #: 3705 14× Black
Technic Axle 6 Technic Axle 6
Part #: 3706 4× Black
Technic Axle 8 Technic Axle 8
Part #: 3707 1× Black
Technic Link Technic Link
Part #: 3711a 30× Black
Technic Bush Technic Bush
Part #: 3713 4× Light Bluish Gray
Technic Bush Technic Bush
Part #: 3713 2× Yellow
Technic Bush Technic Bush
Part #: 3713 9× Black
Technic Axle Pin without Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 3749 5× Tan
Technic Brick 1 x 6 [5 Pin Holes] Technic Brick 1 x...
Part #: 3894 2× Black
Equipment Signal Paddle Equipment Signal ...
Part #: 3900 2× Light Bluish Gray
Technic Gear 16 Tooth with Round Holes [Old Style] Technic Gear 16 T...
Part #: 4019 1× Light Bluish Gray
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 2× Red
Technic Beam 1 x 9 Thick Technic Beam 1 x ...
Part #: 40490 2× Black
Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Technic Tooth 1 x...
Part #: 41669 2× Red
Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Technic Tooth 1 x...
Part #: 41669 5× Trans-Brown
Technic Tooth 1 x 3 with Axle Hole [Rounded Underside] Technic Tooth 1 x...
Part #: 41669 2× Trans-Red
Technic Beam 1 x 2 Thin Technic Beam 1 x ...
Part #: 41677 24× Black
Windscreen 8 x 6 x 2 Curved with Red and Silver Racing Stripes Print Windscreen 8 x 6 ...
Part #: 41751pr0005 1× Trans-Brown
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Technic Axle and ...
Part #: 42003 17× Light Bluish Gray
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 19× Blue
Large Figure Skeletal, Torso, Lower Section (Rahkshi) Large Figure Skel...
Part #: 44135 1× Light Bluish Gray
Technic Axle 7 Technic Axle 7
Part #: 44294 7× Light Bluish Gray
Technic Panel Fairing #20 Large Long, Small Hole, Side A Technic Panel Fai...
Part #: 44350 1× Red
Technic Panel Fairing #21 Large Long, Small Hole, Side B Technic Panel Fai...
Part #: 44351 1× Red
Technic Panel Fairing #22 Large Short, Small Hole, Side A Technic Panel Fai...
Part #: 44352 1× Red
Technic Panel Fairing #23 Large Short, Small Hole, Side B Technic Panel Fai...
Part #: 44353 1× Red
Technic Pin Connector Perpendicular 2 x 2 Bent Technic Pin Conne...
Part #: 44809 1× Light Bluish Gray
Technic Axle 3 Technic Axle 3
Part #: 4519 23× Light Bluish Gray
Technic Panel Fairing #24 Small Short, Small Hole, Side B Technic Panel Fai...
Part #: 47712 2× Red
Technic Panel Fairing #25 Small Short, Small Hole, Side A Technic Panel Fai...
Part #: 47713 2× Red
Windscreen 9 x 3 x 1 2/3 Bubble Canopy Windscreen 9 x 3 ...
Part #: 47844 1× Red
Technic Pin Connector Toggle Joint Smooth Double with 2 Pins Technic Pin Conne...
Part #: 48496 1× Light Bluish Gray
Engine Smooth Large [2 x 2 Thin Top Plate] Engine Smooth Lar...
Part #: 4868b 2× Light Bluish Gray
Technic Shock Absorber 11.5L [Complete Assembly] Technic Shock Abs...
Part #: 48912c01 1× Yellow
Wheel Technic Street Bike Wheel Technic Str...
Part #: 51378 2× Light Bluish Gray
Tyre Technic Street Bike Wide, Rear Tyre Technic Stre...
Part #: 51379 1× Black
Tyre Technic Street Bike Narrow, Front Tyre Technic Stre...
Part #: 51380 1× Black
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 13× Black
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 2× Red
Technic Axle Connector Ridged [with x Hole x Orientation] Technic Axle Conn...
Part #: 6538b 3× Black
Technic Axle Connector Ridged [with x Hole x Orientation] Technic Axle Conn...
Part #: 6538b 5× Light Bluish Gray
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) Technic Axle 1.5 ...
Part #: 6553 3× Black
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Technic Pin Long ...
Part #: 6558 22× Black
Technic Axle 3 with Stud Technic Axle 3 wi...
Part #: 6587 2× Dark Bluish Gray
Technic Gear 12 Tooth Bevel Technic Gear 12 T...
Part #: 6589 4× Light Bluish Gray
Technic Pin with Friction Ridges Lengthwise and Towball Technic Pin with ...
Part #: 6628 6× Black
Technic Beam 1 x 9 Bent (6 - 4) Thick Technic Beam 1 x ...
Part #: 6629 2× Light Bluish Gray
Technic Beam 1 x 3 Thin Technic Beam 1 x ...
Part #: 6632 13× Light Bluish Gray
Technic Beam 1 x 3 Thin Technic Beam 1 x ...
Part #: 6632 1× Yellow
Technic Beam 1 x 3 Thin Technic Beam 1 x ...
Part #: 6632 15× Red
Technic Pin Connector Round [No Slot] Technic Pin Conne...
Part #: 75535 2× Red
Technic Universal Joint 4L [Complete Assembly] Technic Universal...
Part #: 9244 1× Light Bluish Gray
The set features a good selection of Technic beams, axles, and pins in black and light bluish gray, useful for creating custom Technic models. The inclusion of red beams adds a splash of color and design flair.

🛒 Where to Buy

LEGO (UK)
✓ In Stock
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£29.99
eBay
✓ In Stock
$44.99 →
Walmart
✓ In Stock
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$47.49
Target
✓ In Stock
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$49.99
LEGO (US)
✓ In Stock
Compare on eBay →
$49.99

💎 Notable Parts

Black Technic Pin with Friction Ridges Lengthwise and Center Slots (41x) $2.05
Light Bluish Gray Technic Axle 3 (23x) $1.15
Black Technic Beam 1 x 2 Thin (24x) $1.20
Red Technic Beam 1 x 9 Bent (7 - 3) Thick (5x) $1.50
Black Technic Axle 4 (14x) $0.70
Est. BrickLink Part Value
$6.60

💡 MOC Potential

🚗 Custom motorcycles with different fairings and engine configurations
🚗 ATV or quad bike with similar suspension system
🤖 Bipedal robot with articulated limbs and Technic frame

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Charts Inventory Statistics

84
Unique Parts
506
Piece Count
506
Cataloged Inventory Pieces
0
Minifigures
11
Spare Parts
Inventory Version: 1

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