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- By VeloNews.com
- Published Aug. 31, 2011
Acros (German makers of a spendy hydraulic mountain bike shifting system) is known in Europe for its quality headsets. The BlockLock headset helps protect frames by limiting headset rotation. The $105 upper headset is offered for 1.125 and 44mm head tubes and uses small elastomers to stop the bars from cracking your top tube. Photo: Nick Legan © VeloNews