sunday stem slippage

[Zoidberg]

this isn't getting answered in the quick questions and i want to ride my bike guise

i swapped my trusty attila stem for a brand new sunday freeze stem and now it slips on every single hop

i've re-done it every time it slipped

do i file the bars, inside the stem or both? does that work really?

someone told me about finish line fiber grip, but on looking that's for carbon fiber stuff

apparently it's one of the newer ones as it doesn't have the logos in the cut outs on the sides

[weedbix]

Your bars could have been distorted by your previous stem

[bluebmx]

use sandpaper to rough up the clamping area of the bars and stem. My Sunday stem started slipping more and more as time went on until I ditched it, but it wasn't every hope or right away, so hopefully a little sandpaper gets the job done for you.

[torontoflatlander]

You've ovalized your bars. Take the bars off, look at the clamp section. You'll see an imprint of the old stem. New bars, sorry.

[ediotism]

if you decide to try improving by sanding the bar clamp area and the inside of the stem, make sure you use a dry clean towel to really wipe down the areas afterwards, before you put them back together. any bits of metal/paint shavings that you sand off and remain there would act like a lubricant and make your bars slip.

[sans.terre]

sell me that attilla stem

try clampin a penny in wit em

[Prodigal Son]

Recycle it for scrap and reinstall old piece?

[metalbmxer]

Make sure the clamp is evenly spaced out indicating all 4 bolts are tightened down equally hard.

[Patty]

its a $30 dollar stem. you always get what you pay for

[amishrob]

its a $30 dollar stem. you always get what you pay for

price isn't a consideration, a product should work as it is designed to.

[master]

Is it the flat/matte finish?

Mine slipped too, I had to take sandpaper to the stem and bars. Solved the slipping for me.

[Prodigal Son]

its a $30 dollar stem. you always get what you pay for

price isn't a consideration, a product should work as it is designed to.

I might not design it to work perfectly if it was cheaper not to.

[weedbix]

A stem that slips (except for a crash) is useless & dangerous, not really any grey area there to exploit

[dude...]

my sunday stem was great for ages, only took it off cos i got a bud one (which never ever slips ever, so get one of those)

[beerzerker]

Weld the bars to the stem.