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The Un-Official Guide To Fixing Headset Play - Please Add Your Advice Here Hey Everyone,

I wanted to create a guide to help troubleshoot headset play regardless of bike brand. By no means am I an expert, and I hope others can add to this thread. Please understand this guide/thread isn't intended for airing our bike brand grievances or calling out user errors. Ultimately we all just want our bikes to work as intended.

Common Reasons For Headset Play

1. Steerer/Fork isn't cut low enough, or an extra spacer is required above the stem to properly compress the top cap. When initially cutting the steer tube, an extra 2-4mm below the cut line needs to be accounted for in order for the top cap to recess properly.

2. The headset bearing (upper or lower) doesn't sit inside the head tube cup snug enough (laterally, front to back). Velobuild, for example, provides 52mm diameter headset bearings. Other headsets sold online or for other bike brands may only be 51.8mm diameter. That 0.2mm is the difference between a snug fit or loose headset. If your bearings are loose this will always cause play. You can add a couple layers of tape inside the bearing cup to prevent the bearing from moving around. Or just buy a new 52mm headset.

3. The top headset bearing is recessed too far into the head tube cup, causing the headset cover to rub on the frame, preventing the complete headset stack to properly compress. If this is the case you will need a thicker headset bearing (7mm, 7.5mm or 8mm thick) or a thicker c-ring so that it sits flush with the top of the headset opening on the frame, thus preventing the headset cover from rubbing the frame. EDIT: Another resolution is adding some micro spacers between the c-ring and top cap.

4. The upper and lower headset bearings are installed in reverse. Some bikes (like Yoeleo's recent G21 gravel bike) provide a set of headset bearings, with one of the two bearings being slightly thicker than the other. The thicker of the two bearings needs to be installed on top of the head tube, and the thinner bearing on the bottom. If these two bearings are installed in reverse order then...see Common Issue #3

It is critical to do a dry run of installing the crown race, headset bearings, c-ring, headset cap, stem/cockpit, and any additional spacers before actually proceeding to building up the bike. Also be sure to compare and inspect the two headset bearings to confirm they are in fact the same size and thickness.

August 02, 2022, 02:23:09 PM
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Re: Miraclecycling vs Yoeleo prices The miracle is whether or not the frame actually delivers after purchase.
August 24, 2022, 09:23:19 AM
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Re: Elite Wheels / Aliexpress / Trace Velo

And for TraceVelo and the other wannabe influencers, these guys need to pay their bills too. Realise this is in general corrupted info, and always take them  with a grain of salt.

Trace velo is at the very best click bait. at least now he is.  He had a recent video of the 1000 pound bike.  Which most of those parts were from pre pandemic. IE pre pandemic pricing, I priced those out today without shipping and tax. it was like $1350 usd.

Its dishonest at best.

October 31, 2022, 10:00:18 PM
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Re: Suggestions on a; 165mm, 30-46t Cranksets with BSA Bracket
I got tired of waiting on L-Twoo or Sensah to release their hydraulic groupset and ordered a take off Shimano 105 11 speed groupset today for a steal.     


Good. The used 105 will run rings around Sensah or LTwoo groupset anyhow.

November 17, 2022, 02:49:44 PM
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Re: 2022 Cervelo S5 Nothing dodgy about communicating off Ali they want to protect their storefront has this is still illegal to sell with the branding shown in those pictures!

I'm getting curious about a Ostro knockoff now ahaha.

January 06, 2023, 06:16:20 PM
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Re: ProX carbon wheels (LightCarbon) I just ordered a wheelset. Communication was fast. I'll post some pics once it arrives.
February 24, 2023, 11:23:53 AM
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Re: Magene L508 Radar bike light In Chicago area I can drain the batteries in a 2:30-3hr ride. In the country I could do 6 or so hrs.
March 23, 2023, 09:42:16 PM
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Re: SES AR Road Handlebar from Aliexpress Another co-sign here for both the Prime alloy and carbon aero handlebars. I've been using both for years and are fantastic.

It's a shame Wiggle/Chain Reaction can't see to keep these bars in-stock, but I understand. They are a fantastic value.

March 28, 2023, 08:40:42 AM
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Re: Chinese cycling clothes I wish they would skip the cheap looking logo's and the silly slogans on the clothes...
March 28, 2023, 02:42:21 PM
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Re: Interesting Aliexpress finds! - good deals, interesting stuff, new products etc!
Does anyone here use bullet shaped cameras that can be mounted on the helmet? I want something that's small and light. Any recommendations?

I'd be interested as well. I watch some California crit races on YT and I'm surprised they mount some of the most non-aero cameras on their helmets. Though I mostly watch to see them crash their expensive name brand bikes! If I was a crit racer, I'd probably just ride the cheapest/lightweight AliEx rim brake carbon frame/wheels/crankset and cheap Sensah shifters/RD. They mostly race in business parks, no reason to even have an FD!

March 29, 2023, 11:30:31 AM
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