HEADSET TYPE: Threadless External Cup
STEERER TUBE: Straight 11/8"
MATERIAL: Steel
STACK HEIGHT: 28.7mm
UPPER CUP: 49mm External Cup
LOWER CUP: 49mm External Cup
UPPER BEARING: 7/32" Retainer Bearings
LOWER BEARING: 7/32" Retainer Bearings
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FSA - ORBIT DL EC49 HEADSET