View Single Post
Old 04-25-26 | 09:41 PM
  #11  
cyccommute's Avatar
cyccommute
Mad bike riding scientist
Titanium Club Membership
20 Anniversary
Community Builder
Community Influencer
 
Joined: Nov 2004
Posts: 29,137
Likes: 6,186
From: Denver, CO

Bikes: Some silver ones, a red one, a black and orange one, and a few titanium ones

Originally Posted by LV2TNDM
Huh? You usually offer sound advice, but not this time. These are merely "bargain" shift ramps for low-end chain rings. Nothing more. They're made to assist the chain as it goes up or down to an adjacent chain ring while shifting.

Higher end rings will instead have machined cut-outs (like you see on your cassette cogs) and even pressed-in steel pins to act as ramps for the chain. (Edit: I see Maddog34 said as much at the end of their post. Sorry.)

Nothing to worry about.
You are correct. These are not the most elegant of shift ramps but they are common on cheap steel chainrings. You can see another one on the same chainring with about the same gap. They are there for a benefit and not a flaw.
__________________
Stuart Black
Dreamin' of Bemidji Down the Mississippi (in part)
Plan Epsilon Around Lake Michigan in the era of Covid
Gold Fever Three days of dirt in Colorado
Pokin' around the Poconos A cold ride around Lake Erie
Dinosaurs in Colorado A mountain bike guide to the Purgatory Canyon dinosaur trackway
Solo Without Pie. The search for pie in the Midwest.
Picking the Scablands. Washington and Oregon, 2005. Pie and spiders on the Columbia River!





cyccommute is offline  
Reply