My break pads aren't releasing from wheel, which bolt/nut do I adjust?

My break pads aren't releasing from wheel, which bolt/nut do I adjust?

http://imgur.com/a/Mmw8X

original: http://imgur.com/a/Mmw8X

nsfw videos: bicycling

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Erin Heatherton & Adriana Lima

Erin Heatherton & Adriana Lima

Celebs

(f)reezing in bed alone tonight

(f)reezing in bed alone tonight

gonewildcurvy

[Selling][USA][23 & 23] First post here! Take a look at what we did in our

[Selling][USA][23 & 23] First post here! Take a look at what we did in our panties :). We play & masturbate together in every pair!!! Lots for sale, PM us ;D

pantyselling

[m]aybe this will be fun! Accepting requests!

[m]aybe this will be fun! Accepting requests!

ladybonersgw

Just a [f]ew pictures of requests... :) gifs to come later!

Just a [f]ew pictures of requests... :) gifs to come later!

gonewild

Mel B

Mel B

WomenOfColorRisque

Album of big tits

Album of big tits

bigboobs, hugeboobs

(F)ree kisses goodnight.

(F)ree kisses goodnight.

dykesgonewild

I crumbed everywhere.

I crumbed everywhere.

ToastersGW

Deep Desires

Deep Desires

ladybonersgw

(F)irst time posting in this subreddit.

(F)irst time posting in this subreddit.

gonewildcurvy

Love this subreddit! How about some Latex Lucy?

Love this subreddit! How about some Latex Lucy?

ShinyFetish

She's about to send it home, and with a smile

She's about to send it home, and with a smile

thickloads, cumsluts

Curly pigtails and a coy look

Curly pigtails and a coy look

serafuku

Avia

Avia

NotSafeForNature