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Silca

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Super Secret Lube 2.0
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Silca
The Silca Super Secret 2.0 Chain Wax Lubricant is a drip-applied wax chain lube engineered for riders who demand sustained drivetrain efficiency across varied riding conditions. Developed in partnership with Team Visma Lease a Bike, Super Secret 2.0 uses a proprietary blend of advanced waxes, performance additives, and NanoPlatelet Tungsten Disulfide (WS2) to minimize chain friction and reduce drivetrain wear. The PFAS-free formulation cures to a dry wax film that resists dirt, dust, and grit pickup, keeping drivetrains cleaner and quieter than traditional wet lubricants. Improved moisture durability extends the product's performance window in mixed and wet conditions, making it suitable for road, gravel, and cross-country applications. Service intervals are extended compared to the previous Super Secret formulation, with up to 20% longer-lasting performance and friction results 23% faster than its predecessor.
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Sierra Bicycle Supply responded to my complaint in less than 2 hours and issued a refund for the defective tube.
This indicates to me that they are a good customer-oriented organization.
ORIGINAL COMPLAINT:
Both tires and tubes were well packaged and arrived safely. (All Condition Armadillo 700X25 and Standard Presta Valve tube 700X20-28C) I installed them and pumped them up with no problem. The next time I went to ride, the rear tube valve had a substantial leak. Loosening the nut and pressing the release pin resulted in a loud air leak that does not stop when I release the pin. The loud leak appears to stop when the nut is firmly tightened. I don't trust this arrangement.
I’ve had several cruxes, including an S works crux and for the money this is quite the value. I did a gravel race and cyclocross Race on my new DSW crux after cracking my S works frame in a Bike Crash. I was really impressed. Sure it’s about a pound heavier, but it has 90% of the performance. Great price point and probably more robust for CX.
Fair price on tires, quick delivery from Sierra Bicycle Supply, tires and new tubes on the bike and working well. I'm happy.