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Cross Boss Tire
Black
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WTB
Volume, speed, and consistency. The Cross Boss’ even center tread shelf provides smooth and fast acceleration while more open side knobs help clear muck. A rounded, high volume profile designed ground-up for tubeless usage provides plenty of room to modulate tire pressure while dual compound, Dual DNA rubber and defined cornering channels keep riders grinning for more turns. From single track to the circuit, the Cross Boss is here to bring it.
© 2026 Sierra Bicycle Supply, 1380 Kleppe Lane Sparks, NV 89431 All rights reserved. Experience by Frengee
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Great replacement cap for my Purist water bottles.
I have really enjoyed using the Range Extender. I appreciate being able to just plug it in when my bike battery is getting low and feel confident I can go another 20 miles!
Satisfied with the watch, quick shipping, pleasant price.
Amazing cycling computer. Was shipped quick and great delivery.
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