New Bontrager Aeolus RSL/ Pro 37

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ToileySiphon
Posts: 90
Joined: Fri Jul 19, 2019 2:58 am

by ToileySiphon

Regarding the 37... If I intend on running 28mm tires on those, I'll definitely break the 105% rule, as the tire will probably inflate to about 30mm or so because of the 21mm ID, on a 28mm wide rim.

Would I loose any aero benefit and/or crosswind stability VS my stock, shallow bontrager alloy rims with 25mm tires? Is there a point in getting those wheels if I mess up the aero profile with big tires?

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TobinHatesYou
Posts: 10553
Joined: Mon Jul 24, 2017 12:02 pm

by TobinHatesYou

ToileySiphon wrote:
Tue Sep 27, 2022 4:11 am
Regarding the 37... If I intend on running 28mm tires on those, I'll definitely break the 105% rule, as the tire will probably inflate to about 30mm or so because of the 21mm ID, on a 28mm wide rim.

Would I loose any aero benefit and/or crosswind stability VS my stock, shallow bontrager alloy rims with 25mm tires? Is there a point in getting those wheels if I mess up the aero profile with big tires?

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The 105% rule is not a hard rule and it even varies with rim design. You will not suddenly be at a massive aero disadvantage for using 28mm tires. Also if you care about aero performance, you’d choose the Aeolus RSL 51s instead.

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Nohands83
Posts: 174
Joined: Tue Feb 13, 2018 7:41 am
Location: Leeds, UK

by Nohands83

If you want to run bigger tyres you could look at the RSL 37V, they're a touch heavier than the regular 37s but they have a 31mm outer width which would suit 28mm tyres more.

ToileySiphon
Posts: 90
Joined: Fri Jul 19, 2019 2:58 am

by ToileySiphon

Has anyone here ridden the 51 Pro (non-rsl)? What are your thoughts on them? There is currently 2 online reviews available and they say quite opposite things about them.

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romanmoser
Posts: 565
Joined: Sun May 06, 2018 8:30 pm

by romanmoser

nope sorry

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