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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
Athletic fit: fitted with minimal excess
the Siren can be inflated up to 100PSI for ultra-low rolling resistance on smooth surface riding
Weighing in at only 635 grams
Double Lock-on anti-rotation system
Dual head nozzle compatible with Presta and Schrader valves and 1x neoprene sleeve to help avoid freeze burn
BOX TWO 22.2 X 1 1/8" TOP LOAD STEM Color:Black Athletic fit: fitted with minimalThe Box Two Front Top is a modern 1 inch by 22. 2mm stem designed specifically for BMX racing. Box Two Top Load stem bodies are cold forged and CNC machined from the highest quality 6061 T6 aluminum. The lightweight front clamps are cold forged and CNC machined for increased stiffness and strength.
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