BOX

Box Extremum RacePrep Bottom Brackets

| Product Code: S3-19080

155.99

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North Shore

Britomart

Ellerslie

Pukekohe

Hamilton

Rotorua

Tauranga

Cambridge

Te Awamutu

Wellington

Christchurch

Dunedin

Logistics Centre

North Shore

Britomart

Ellerslie

Pukekohe

Hamilton

Rotorua

Tauranga

Cambridge

Te Awamutu

Wellington

Christchurch

Dunedin

Logistics Centre

North Shore

Britomart

Ellerslie

Pukekohe

Hamilton

Rotorua

Tauranga

Cambridge

Te Awamutu

Wellington

Christchurch

Dunedin

Logistics Centre

If you would like to view a bike shown as available in a warehouse, please call ahead or email us well in advance to ensure the bike you are wanting to view/purchase is built up.


Extremum RacePrep Bottom Brackets

For years, pro racers have modified their bottom brackets for the toughest BMX racing by removing some or all of the seals and replacing the grease with lightweight oil. This results in free-spinning cranks, but also increases the need to maintain and replace bottom brackets.

Enter the Extremum RacePrep™ bottom bracket, the first external BB designed for BMX racing, not mountain biking. Unlike mountain biking where bike parts are exposed to all manner of bad weather, dirt and water crossings, BMX racers typically ride in relatively clean environments. Dust not withstanding.

To protect against the gunk and grime mountain biker’s ride through, designers add layers of seals to bottom brackets. While the seals protect the bearings, they also add drag. And in a 40-second BMX sprint where races are won and lost by hundredths of a second, a little drag can be a huge, well, drag.

Although we didn’t go to the extremes of pro mechanics, the Extremum RacePrep™ bottom bracket features non-contact, titanium-coated SUS bearings, modified low-friction seals and lighter weight lube. The titanium coating results in a low friction coefficient, increased corrosion resistance and smoother rolling bearings.

The result is a BB with less drag that maintains a level of bearing protection more in line with the needs of BMX racers.

Available in anodized red, blue, gold and black to fit all 24-millimeter bottom bracket spindles and 68 or 73 x BC1.37” bottom bracket shells.

Extremum RacePrep™ bottom brackets may require more frequent maintenance, depending on your riding habits. Always have a professional bicycle mechanic install and work on your bottom bracket. Meets or exceeds ENBMX standards.

FREE DELIVERY

On all orders over $99 Evo Cycles offers free delivery to any physical address in New Zealand - this INCLUDES large and bulky items and bikes!

$5 FLAT-RATE FREIGHT

On orders under $99 we charge $5 flat-rate freight. This is so we can give our customers (that's you!) the most competitive pricing available for small parts and accessories. There are no hidden shipping costs and you know exactly what you're paying for.

FREE CLICK & COLLECT

Order and pay online and collect everything from one of our stores for free - no handling charges whatsoever! Just select which store you would like to collect from at checkout. Find out more about Click&Collect here.

You purchase your bike from evocycles.co.nz

Our expert mechanic pulls your bike out of the box and builds it to 100%, excluding accessories (i.e racks and baskets). We tune the brakes and gears then test ride to ensure everything runs smoothly.

We then take off a few simple parts to fit the bike into the box. We double check to ensure all the parts are enclosed, before sealing the box and sending to you.

Your bike arrives!

You use 2-3 common tools to fit a few simple parts. If you get stuck, use our help centre and bike assembly guides or give us a call and we'll talk you through the process.

You purchase your bike from evocycles.co.nz

Our expert mechanic pulls your bike out of the box and builds it to 100%, excluding accessories (i.e racks and baskets). We tune the brakes and gears then test ride to ensure everything runs smoothly.

We then take off a few simple parts to fit the bike into the box. We double check to ensure all the parts are enclosed, before sealing the box and sending to you.

Your bike arrives!

You use 2-3 common tools to fit a few simple parts. If you get stuck, use our help centre and bike assembly guides or give us a call and we'll talk you through the process.