20" Mongoose Rockadile Boys 7 Speed (2025)
20" Mongoose Rockadile Boys 7 Speed (2025) - Green : This product is available for backorder only. Will ship as soon as it is back in stock.
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Sizing Chart
Sizing Chart
The chart provided is to be used as a guide only, to help you narrow down which category to begin your search.
| Wheel size | Rider Height |
| 12" | 80-100cm |
| 14" | 85-105cm |
| 16" | 90-110cm |
| 18" | 95-115cm |
| 20" | 110-130cm |
| 24" | 125-150cm |
| 26"+ | 145cm+ |
Shipping Information
Shipping Information
This product: Pickup in-store only. Shipping not available.
Shipping available†
We offer shipping on select brands including: Rocky Mountain, Orbea, XDS, Icon, Jamis, Shogun, Schwinn, BYK, Kidvelo. These bikes are shipped unbuilt in their original box.
†Only bikes stocked at our Warehouse location are available for shipping.
Shipping upon request to your local bike shop
Some brands require the bike is delivered directly to a bicycle shop or mechanic for assembly, and shipping is not available to your residence. These include GT, Cannondale, .
Request a shipping quote to proceed.
Pickup in-store only
Certain bike brands cannot be shipped and are only available for Click and Collect or purchase in-store.
These include but are not limited to the following brands: Giant, Norco, Liv, Momentum, Malvern Star and Mongoose.
Pre-assembled bikes
†Any bikes in stock at our Heidelberg Heights, Hallam or Hoppers Crossing store locations are already fully assembled, and therefore only available for Click and Collect or purchase in-store.
The chart provided is to be used as a guide only, to help you narrow down which category to begin your search.
| Wheel size | Rider Height |
| 12" | 80-100cm |
| 14" | 85-105cm |
| 16" | 90-110cm |
| 18" | 95-115cm |
| 20" | 110-130cm |
| 24" | 125-150cm |
| 26"+ | 145cm+ |
20" Mongoose Rockadile Boys 7 Speed (2025)
MONGOOSE ROCKADILE 20" BOYS (2025)
Designed for 6-9 years olds the Mongoose Rockadile 20" mountain bike is built around the tough and light T1 aluminium frame with internal cable routing to minimise maintenance.
The Rockadile is a youth mountain bike which offers everything young XC rippers could need whether they’re just getting into the sport or improving their skills. The Rockadile is made with a Tectonic® T1 aluminium frame and fork, which are incredibly lightweight and durable for a youth bike. While a 7-speed drivetrain will give new riders a chance to get used to gears, with a big enough range to get up some challenging hill.
The Mongoose mountain tyres offer superior traction on any terrain and are a great mix of speed and grip so that young ones can ride with both confidence and a bit of speed. While the aluminium double wall rims are strong and responsive to keep you rolling for hours on end. When you need to stop, the aluminium linear pull brakes provide reliable stopping power every time. This really is a fun entry level bike that has all the spec needed for safe, and reliable fun out and about.
SPECIFICATIONS
| Frame | Tectonic T1, aluminium, 20” sport geometry, internal cable routing, 9 mm x 135 mm dropout, replaceable hanger |
| Fork | Xposure, 20”, steel steerer, lockout, 9 mm x 100 mm, QR, 60 mm travel |
| Stem | Xposure diecast, threadless, 60 mm, 7°, 31.8 mm clamp |
| Spoke | 14G, stainless steel |
| Seat Post | Xposure, aluminium, 350 mm, 20 mm offset, 31.6 mm |
| Saddle | Mongoose Kids, integrated rails |
| Rim | Xposure, aluminium double wall, 23 mm ID, 32H |
| Tyres | Mongoose, 20 in x 2.1 in, wire bead |
| Rear Cog | Sunrace, 7-speed, 14-34T |
| Pedals | Mongoose, nylon |
| Headset | Threadless, ZS44/ZS44, retainer bearing |
| Handlebar | Mongoose, aluminium, 580 mm width, 30 mm rise, 25.4 mm clamp |
| Grips | Mongoose, single density |
| Front Hub | Xposure, aluminium, 9 mm x 100mm, 32H, 6-bolt |
| Rear Hub | Xposure, aluminium, ball bearing, 3/8 mm x 135 mm, 32H, 6-bolt |
| Crank | Samox SAC30-111P, aluminium, 32T |
| Colour | Grey |
| Chain | KMC HV500 |
| Brake | Radius, linear pull, aluminium |
| Bottom Bracket | Feimin FP-B609W, cartridge, 3-piece, threaded 68 mm shell |
| Wheel Size | 20" |
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Frame material
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Speeds (rear)7 Speed
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Age GroupKids
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GenderBoys
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SKUsGreen: M51253M10OS, Teal/Black: M51253M20OS
