Collections

DOWN HILL FULL SUSPENSION
DOWN HILL FULL SUSPENSION
Cross Country Full Suspension
Cross Country Full Suspension
TRAIL E-BIKES
TRAIL E-BIKES
CYCLE CROSS & ROAD GRAVEL
CYCLE CROSS & ROAD GRAVEL
Kids
Kids
FULL SUSPENSION E-BIKES
FULL SUSPENSION E-BIKES
ROAD BIKES
ROAD BIKES
WOMEN'S
WOMEN'S
Recreational Hardtails
Recreational Hardtails
Sale Bikes
URBAN & COMMUTE
URBAN & COMMUTE
FOLDING E-BIKES
FOLDING E-BIKES

Burgtec Oval 104mm BCD Thick Thin Chainring

SKU: BT-8402
Price
$99.99
Pickup currently unavailable at In-Store Inventory
Stock Item:
Only 2 available!

“After over a year of testing we are pleased to release our Oval Chain Ring”

Does a mechanical advantage of increased gearing sound Interesting? If so read on.

Through research and testing of many different prototypes with varying amounts of Ovality we found 115% (from the top centre) to be the optimum.

This shrank the dead spot suitably and gave the same flawless chain retention and silence as our round rings.  The shortening of the dead spot on the top and bottom of the power curve allows you to get back into the power phase of your crank rotation sooner.

The benefit of this is twofold; increased gearing on the downward stroke and faster crank speed to get the crank propelled back around into the power phase continually. This is a significant gain because virtually all studies into pedalling performance suggest that a minimum 80% of your power  comes from the down ward motion. Mainly because much larger muscle groups are used for this motion. The physics sorcery essentially adds extra power in the down wards stroke for no extra effort by reducing the dead spot and adds a bigger gear for the now larger power phase in the downward stroke. Win win.

ONLY AVAILABLE IN 32T

All of our Chain Rings are + / -  2 Teeth so;

30T Has a combination of 32T Increased Power Phase and 28T Dead Spot

32T Has a combination of 34T  Increased Power Phase and 30T Dead Spot

We would recommend sticking to the current sized round ring that you are currently using when selecting your Oval size.

  • Thick Thin Tooth profile with Mud Bleed
  • 10 11 and 12 Speed Compatible
  • 115 Degree’s of Ovality
  • Fully CNC Machined from 7075 Aluminium

Using on a E-Bike?, please look at the steel E-Bike Chainrings

Shipping Information

Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m.

About Us

Since 1938, Papanui Cycles has been serving the North West of Christchurch and after 80 years they are still offering great service.

Now established as one of Christchurch’s largest suburban cycle shops.

Offering top Global selling brands such as Merida, Marin, Apollo.

“Service is our number one goal,” says Kevin. “Everyone who works here is fully trained in sales along with mechanical and product knowledge, when it comes to cycles, we know our stuff.”

Everything from reliable commuting bikes to full suspension mountain bikes and carbon road bikes,

“With all Cycles we sell, not only do we give a manufacturer’s warranty, but exclusive too Papanui Cycles, we offer one Free General Service, valued at $93.00 after 2 months from date of purchase.”

Papanui Cycles has all your cycling needs and is looking forward to seeing you in store soon​​​.​​​

Contact us

You can contact us here! Please see the notes below before making an enquiry. 

  • If you have a query about your order please login to your account and you'll be able to check on the status
  • Need to track your package? Please email us if you haven't received the automatic tracking email.
  • Please make sure you check the FAQ section to make sure your question isn't already answered there
SHOP HOURS
Monday - Thursday
8.30am - 5.30pm
Friday
8.30am - 6.00pm
Saturday
9.00am - 4.00pm
Sunday
10.00am - 4.00pm
Public Hoildays Open
10.00am -  4.00pm
Closed 1st Jan 2024
 

customersupport@papanuicycles.co.nz   |   FB   |   Instagram   |  03 352 7495 

468 Papanui Road, Papanui, Christchurch 8053

You may also like

See the best of New Zealand by bike

Reviews

We take pride in our quality and service
Stacey Watson

Photographer

Just one word about the build quality of my Bike : Excellent - nothing more to say!

Wilfred Pratt

Sales

Exceptional quality and fast shipping. Just what I was looking for.

Erin James

Programmer

Kevin & His Team were very helpful with my purchase recently.

Mabel Parker

Interior Designer

I already had high expectations based on my previous purchases, but I am still above satisfied!