Genesis Alpha 24 Junior Hybrid Bike 2016

Product Code: 145598
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Product Description

Want to buy a bike for junior, but unsure whether to go down the dedicated mountainbike route or something a little more tarmac-focused? The Alpha 24 could be the answer to your prayers

Shipping with both a pair of 1.25" slicks for road/tarmac use and a pair of semi-slick light knobblies for light off-road/CX use, the Alpha 24 represents unbeatable value-for-money; x2 bikes for the price of x1!

With an emphasis of fit and safety, at this age we're convinced a flatbar setup is the way to go - scaled-down, jnr-specific integrated shifters might fit well from the hoods but are tricky to reach and operate confidently from the drops.

Underestimate the Alpha 24 at your peril; our lightweight, simplisitic flatbar road-come-CX do-it-all aimed at the yoofs punches well above its weight!


1x8 gearing

Kids at this age (normally coming from a single speed of some sort) can struggle to adapt to rear shifting alone, let alone asking them to compute 3 seperate front chain rings also! A simplified 1x8 drive with optimized chainline and wide-range 11-34T cassette still provides an ample, useable range  but is lighter, easier to maintain and more resilient (aka 'kid proof').

Proportionally-correct components

A youth bike is all about sweating the details and ensuring a good, safe fit. Scaled-down crankarms, handlebars, saddle and levers are all sourced, designed and selected with the smaller rider in mind, helping to ensure a better, confidence-inspiring fit.

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* Prices are estimates and will be calculated at checkout based on your minimum deposit.
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Frame and Fork

Frame: ALX7 6061 Double-Butted Aluminium

Fork: Cr-Mo Unicrown

Headset: FSA No.10AY Internal

Colour: Post Box Red

Weight: 9.15kg (w/o pedals)

Sizes: One Size


Shifters: Shimano Tourney SL-RS45-8R Revoshift (R/H only)

Rear Derailleur: Shimano Altus RD-M310

Front Derailleur: N/A

Chainset: 34T Single Ring w/ Chainguard (145mm)

Bottom Bracket: TH BB-7420ST, 68x103mm

Chain: KMC X8

Freewheel: Shimano CS-HG31, 11-34T

Wheels and Braking

Hubs: Joytech, 28H

Rims: Alex Rims Ace-17, 28H

Spokes: 14G Stainless Silver w/ Brass Nipples

Tyres: Kenda K-West 24x1.25" / Kenda Happy Medium 24x1.5"

Brakes: Tektro 837AL V-Brake

Brake Levers: Tektro TS-325A

Contact Zones

Handlebars: Genesis Jnr Flatbar (540mm x 9deg Backsweep)

Stem: Genesis MTB, 70mm x 10

Grips: Genesis Jnr, 102mm

Saddle: Genesis Jnr Road

Seatpost: Genesis

Seat Clamp

Pedals: Wellgo LU-937NB


Alpha 24 Geometry

1 - Horizontal Toptube Length (mm)472
2 - Seat Angle (°)73
3 - Headtube Length (mm)100
4 - Head Angle (°)70.5
5 - Seat Tube Length (C-T, mm)350
6 - BB Drop (mm)35
7 - Chanstay Length (mm)400
8 - Fork Offset (mm)45
9 - Trail (mm)55/59
10 - Wheelbase Length (mm)929
11 - Standover (mm)647
12 - Stack (mm)465
13 - Reach (mm)330
Stem (mm)70
Handlebar (mm)540
Crankarm (mm)145