Thursday, May 9, 2013

My bike friction reduction

my Yeti MTB with Chris King bb - upgrading to better bb soon.

my Scott Foil road bike with Hawk Racing Pressfit

the content inside the box

details and description

weight of some well-known brand 

Hawk-racing pulley - 17g per pair
UCB Ultimate Ceramic Pulley - 24g 11T pound159
KCNC ceramic - 17g
Ceramic Speed alu - 24g

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