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From the driveway to the bike park, the Giant STP 20 helps young riders make the transition from wobbly laps around the block to having fun on trails and off-road terrain.
From the driveway to the bike park, the Giant STP 20 helps young riders make the transition from wobbly laps around the block to having fun on trails and off-road terrain.
Giant

2025 Giant STP 20 - Kids Hardtail Mountain Bike - Blue Palace

£549.00
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Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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2025 Giant STP 20 - Kids Hardtail Mountain Bike - Blue Palace

Season:2025

Brand:Giant

Code:9090003110

From the driveway to the bike park, the Giant STP 20 helps young riders make the transition from wobbly laps around the block to having fun on trails and off-road terrain.

Dirt or street

Lightweight, strong and durable aluminium frameset is designed to go from street riding to bike parks or trails.

Kid-friendly design

Frame geometry is designed specifically for young riders with 20-inch wheels, a low standover height and taller front end for a stable ride quality.

Maximum control

Powerful disc brakes and suspension fork (on select models) with a lockout option puts maximum control in the rider’s hands.

Technical Information
  • Frame
  • Sizes
    One Size
  • Colours
    Blue Palace
  • Frame
    ALUXX-grade aluminium
  • Forks and Shocks
  • Fork
    SR XCT L20, coil, 60mm, lockout
  • Rear Shock
    N/A
  • eSystem
  • Motor
    N/A
  • Controller
    N/A
  • Display
    N/A
  • Battery Type
    N/A
  • Battery Integration
    N/A
  • Conectivity
    N/A
  • Charger
    N/A
  • Drivetrain and Brakes
  • Brake System
    Tektro HD-J285, hydraulic [F]160mm, [R]160mm rotors
  • Rear Derailleur
    Shimano Tourney
  • Front Derailleur
    N/A
  • Shifters
    microSHIFT DS45-7 1x7
  • Bottom Bracket
    Sealed cartridge
  • Crankset
    Alloy forged, 30t, 127mm
  • Cassette
    Shimano CS-HG200, 12x32
  • Chain
    KMC Z7
  • Cockpit
  • Handlebar
    Giant Sport, alloy, 31.8mm
  • Stem
    forged alloy, 0-degree
  • Grips
    Giant Jr
  • Headset
  • Wheels
  • Front Hub
    Giant Disc, 28h, QR, alloy, disc
  • Rear Hub
    Giant Disc, 28h, QR, alloy, disc
  • Rim
    Giant 20", alloy, 28mm inner width
  • Front Tyre
    Kenda Karma, 20x2.2"
  • Rear Tyre
    Kenda Karma, 20x2.2"
  • Max Tyre Clearance
  • Finishing Kit
  • Seatpost
    Alloy, 27.2x250mm
  • Saddle
    Giant Jr. Sport
  • Pedals
    Platform
  • Extras
  • Kickstand
    N/A
  • Lighting
    N/A
  • Lock
    N/A
  • Carrier
    N/A
  • Mudguards
    N/A
  • Other
    N/A
  • Please Note:
    Every effort has been made to ensure accuracy throughout this website. However, manufacturers reserves the right to change bike specifications, features, prices and colours without prior notice. If you would like to check the specification of a bike before purchasing, please call one of our stores.
Sizing Information
Size Guide

Frame SizeRider height (cm)Rider height (feet)
One Size115 - 1303'9" - 4'3"

Frame Geometry




One Size
ASeat Tube Length (mm)
BSeat Tube Angle73.0°
CTop Tube Length (mm)450
DHead Tube Length (mm)105
EHead Tube Angle69.0°
FFork Rake (mm)
GTrail (mm)
HWheel Base (mm)887
IChain Stay Length (mm)365
JBottom Bracket Drop (mm)
KStack (mm)448
LReach (mm)313
MStand Over Height (mm)546.1
NHandlebar Width (mm)
OStem Length (mm)
PCrank Length (mm)127
QWheel Size
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