Diamondback Ampt BMX Bike - 2018


SKU: 476385

The Diamondback Ampt BMX Bike is the perfect bike to ride the skatepark for the first time. It has a strong hi-tensile steel frame with pro spec geometry and the all-important 25/9 gearing thanks to a rear cassette hub. 

The Ampt is bang on trend with a top load stem, and big rise/width handlebars. It has sturdy 3 piece cranks, a one piece seat/seat post combo and grey wall tyres for added style. 

Specification Overview

More Information
Brand Diamondback
Type BMX Bikes
Wheel Size 20”
Age Group 10+
Pedals Included Yes
Gender Unisex
More Information
Eligible for cycle to work Not eligible
Bike Frame Size -
Primary Colour Blue
Brand Diamondback
Type BMX Bikes
Wheel Size 20”
Age Group 10+
Pedals Included Yes
Gender Unisex
Frame Hi-tensile 20/10 tubing, DB laser cut seat stay brace & micro drop-outs
Frame Material Steel
Forks Unicrown with tapered fork blades
Crank DB 8 spline Cro-mo cranks
Chain KMC 410
Pedals Diamondback Platform 9/16"
Brake Type U-Brakes
Gyro Braking System No
Front Brake Tektro alloy side pull
Rear Brake Tektro alloy U-brake
Front Hub Diamondback alloy, 36 hole with small flange, Black
Rear Hub Diamondback alloy cassette , 36 hole, 14mm axle, Black
Rims Alloy 36 hole, Black
Tyre Size 20 x 2.00"
Tyres Freestyle pattern
Handlebars BMX Hi-Tensile, 8" rise, 28.25" wide
Stem DB MX2 Top Loader, Black
Grips DB Team grip with flange
Headset 1-1/8" threadless
Saddle DB One piece combo saddle
Seatpost DB One piece combo saddle, 25.4mm
Stunt Pegs No
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Standard £2.99 or FREE on orders over £10
- Order by 3pm (Sun-Thurs) to be delivered within 3 working days
- Most bikes delivered within 5 working days.
- An estimated delivery window will be shown at the checkout.
Next Day £4.99
- Order by 3pm (Sun-Thurs) for Next Day delivery
Click and Collect FREE
- Order by 3pm (Sun-Thurs) to pick up in 2 working days
- Order by 3pm (Sun-Thurs) to pick up in 5 working days


To find out more about bike delivery, as well as our easy returns service, head over to our delivery and returns page.


All of the bikes we sell online are built and inspected by our qualified mechanics – just like when you buy a bike from one of our stores. All you’ll need to do when you receive the bike is straighten the handlebars and attach one of the pedals. This service is free, and included every time you buy a bike. Find out more.