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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
The DeFeet Woolie Boolie is our cushiest sock
Lithium-Ion USB rechargeable battery (Micro-USB cable included)
PACK WEIGHT: 160g/5 oz
The Slipstreams incorporate a convenient knit-in cleat guide
Shuriken Pulley System TBT for 12sp Ultegra/DuraAce Overshoes The DeFeet Woolie Boolie isThe Shuriken oversized pulley system was engineered for maximum performance and designed to enhance drivetrain efficiency on any bike. The larger pulley diameter enables the system to rotate at lower RPMs, reducing the chain's articulation angle and subsequently minimizing drivetrain friction. The TBT bearings within the pulleys are filled with specially developed light grease to keep drag low and minimize resistance. The combination of a carbon fiber
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