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The Precaliber 12 is the perfect first bike for little riders who are ahead of the curve and ready for two wheels at a younger age than most.
The Precaliber 12 is the perfect first bike for little riders who are ahead of the curve and ready for two wheels at a younger age than most.
Trek

Trek Precaliber 12 Hybrid Kids Bike in Viper Red

£250.00
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Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

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

Trek Precaliber 12 Hybrid Kids Bike in Viper Red

Season:2025

Brand:Trek

Code:5271577

The Precaliber 12 is the perfect first bike for little riders who are ahead of the curve and ready for two wheels at a younger age than most.

It has a handle built into the saddle so you can guide them as they ride, and tool-free training wheels that are super easy to install and remove. It's a great fit for kids aged 3-4, between 36–40" (91–102 cm) tall.

Features:

  • This bike is a memory-maker: seeing your child ride their bike for the first time is something you'll never forget
  • This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new
  • Investing in a kids' bike from an established bike brand is worth it – Trek kids' bikes are designed and assembled by people who know bikes
  • Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off
Technical Information
  • Frame
    Alpha Silver Aluminium, 12" kids' frame size
  • Fork
    Steel, 12", threadless 1" steerer
  • Hub rear
  • Size: 12
    Steel, 84mm bolt-on
  • Size: 12
    Coaster brake, 16T, 120 mm bolt-on
  • Rim
    Alloy 12", 20-hole, Schrader valve
  • Tyre
    Bontrager XR1, wire bead, 27 tpi, 12x2.25"
  • Max tyre size
    12x2.25"
  • Crank
    Alloy, 24T steel ring, chainguard, 70 mm length
  • Bottom bracket
    Square taper, 68 mm, sealed cartridge
  • Chain
    HV410, 1/2x1/8
  • Pedal
    Kids' Satellite, 9/16 thread
  • Max. chainring size
    30T
  • Saddle
    Kids' padded, integrated seat post, with handle
  • Handlebar
    Kids' steel, 25.4 mm clamp, 80 mm rise, 500 mm width
  • Grips
    Kids' grip, 107 mm width
  • Stem
    Bontrager Approved alloy, 25.4 mm clamp, 15-degree rise, 50 mm
  • Head set
    Adjustable ball bearing
  • Training wheel
    Training Wheel Trek Adjustable 12"-16"
  • Weight
    6.84 kg / 15.08 lbs
  • Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 23 kg (50 lb)
Sizing Information

Road & Gravel

SizeRider HeightInseam
49156 - 163 cm
(5'1" - 5'4")
74 - 77 cm
(29" - 30")
52163 - 168 cm
(5'4" - 5'6")
76 - 79 cm
(30" - 31")
54168 - 174 cm
(5'6" - 5'9")
78 - 82 cm
(31" - 32")
56174 - 180 cm
(5'9" - 5'11")
81 - 85 cm
(32" - 33")
58180 - 185 cm
(5'11" - 6'1")
84 - 87 cm
(33" - 34")
61185 - 191 cm
(6'1" - 6'3")
86 - 90 cm
(34" - 35")


Mountain & City

SizeRider HeightInseam
XS145 - 155 cm69 - 73 cm
S155 - 165 cm74 - 78 cm
M165 - 176 cm79 - 83 cm
M/L173 - 180 cm81 - 86 cm
L177 - 188 cm84 - 89 cm
XL188 - 195 cm89 - 91 cm

Please note that this is a general guide, and the best way to determine the correct size for a specific model is to consult Trek's website for that particular model. Additionally, factors such as inseam length, riding style, and personal preference may also affect the ideal size for a given rider.

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