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The Fly Bikes Dolmen cranks are made using a 2.5-pc design for easy installation and less weight by only needing one spindle bolt to keep everything tight. They feature chromoly arms that use 1-pc arm/pedal boss technology and are “D” shaped to help prevent bending, 22mm internally machined hollow chromoly spindle with 48 splines and heat-treated chromoly spindle bolt. RHD/LHD compatible.

• The Fly Bikes Dolmen cranks are made using a 2.5-pc design for easy installation and less weight by only needing one spindle bolt to keep everything tight. They feature chromoly arms that use 1-pc arm/pedal boss technology and are “D” shaped to help prevent bending, 22mm internally machined hollow chromoly spindle with 48 splines and heat-treated chromoly spindle bolt. RHD/LHD compatible.
• 1 pieces invest casting heat treated 4130 CrMo arms (avoids pedal boss breakage)
• Heat treated 4130 chromoly CNC machined spindle (for best strength/weight ratio)
• Bend resistant D shape arms (avoids axial bending)
• 2.5 p system