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“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.
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.
Position | Single |
BCD | 104 |
Tooth | 32 |
Speed |
11 10 12 |
Delivery from monday
Delivered on 04/06
Options
Tooth
30
€27.99
Delivered on 04/06
32
€27.99
Delivered on 04/06
34
€27.99
Delivered on 04/06
Delivery from monday
Options
Tooth
26
€59.90
Delivered on 04/06
28
€59.90
Delivered on 04/06
30
€59.90
Delivered on 04/06
32
€59.90
Delivery from monday
34
€59.90
Delivery from monday
36
€59.90
Delivered on 04/06
Delivery from monday
Options
Tooth
36
€94.99
Delivered on 31/05
38
€94.99
Delivery from monday
40
€94.99
Delivered on 31/05
42
€94.99
Delivered on 31/05
44
€99.99
Delivered on 31/05
46
€99.99
Delivery from monday
Delivery from monday
Options
Tooth
24
€54.99
Delivery from monday
26
€54.99
Delivery from monday
28
€54.99
Delivery from monday
30
€54.99
Delivery from monday
32
€54.99
Delivery from monday
34
€54.99
Delivery from monday
36
€54.99
Delivery from monday
38
€54.99
Delivery from monday
Delivery from monday
Options
Tooth
32
€59.99
Delivered on 04/06
34
€59.99
Delivered on 04/06
38
€59.99
Delivery from monday
Delivery from monday
Options
Tooth
32
€79.99
Delivery from monday
34
€79.99
Delivery from monday
36
€79.99
Delivery from monday
38
€79.99
Delivery from monday
Delivery from monday
Options
Tooth
32
€79.99
Delivery from monday
34
€79.99
Delivery from monday
36
€79.99
Delivered on 04/06
Delivery from monday
Options
Tooth
26
€64.90
Delivered on 04/06
28
€64.90
Delivered on 04/06
30
€64.90
Delivered on 04/06
32
€64.90
Delivered on 04/06
34
€64.90
Delivery from monday
36
€64.90
Delivered on 04/06
Delivery from monday
Options
Tooth
28
€59.99
Delivery from monday
30
€59.99
Delivery from monday
32
€59.99
Delivery from monday
34
€59.99
Delivery from monday
Delivery from monday
Options
Tooth
30
€79.99
Delivered on 04/06
32
€79.99
Delivery from monday
34
€79.99
Delivered on 04/06
Delivery from monday
Options
Tooth
15
€15.99
Delivered on 28/05
18
€15.99
Delivery from monday
20
€15.99
Delivery from monday
Delivery from monday
Options
Tooth
32
€38.99
Delivery from monday
34
€38.99
Delivery from monday
36
€38.99
Delivery from monday
38
€38.99
Delivery from monday
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(1) Discount from RRP. (2) Price calculated on the lowest Alltricks price within 30 days before the sale offer. (3) Discount calculated on the lowest Alltricks price within 30 days before the clearance. (4) Terms and conditions apply. Valid on products sold and shipped by Alltricks. (5) GMT+1 timezone. (6) GMT+1 timezone, Credit Card and PayPal orders only. Until 6pm with Chronopost and until 3pm with other delivery methods. Valid only on all products sold and shipped by Alltricks. Excluding holidays. (7) Usual delivery time. (8) Usual amount of time to prepare your order. Valid only on all products sold and shipped by Alltricks. (9) Enter voucher code at the basket page. (10) For credit card payments between €80 and €6000. Valid in France mainland only on all products sold and shipped by Alltricks. (11) Credit Card and PayPal orders only. (12) A random security check will be made by Oney on some orders. This control takes 24h. (13) Unlimited free delivery with Alltricks Premium on all products sold and shipped by Alltricks. Valid in France only with: Chronopost relais and Chronopost domicile (Chronopost on on appointment excluded), Mondial relay, Colissimo and France Express. (14) Extra 10% off on all products sold and shipped by Alltricks. Valid 1 year. Voucher sent by email for your birthday. (15) Recommended retail price by the supplier (16) In january 2015. Determined by users, among E-commerce Websites available on the Trustpilot platform. (17) Excluding partners sellers products