Tubeless Kit Blocks XLAB has designed the 1st

XLAB has designed the 1st aerodynamic repair storage bag for these systems

Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 52–54 mm and a minor diameter (inside of notches) of 48

Start with a new or nearly new chain with SILCA Super Secret Chain Coating without removing the chain from the bicycle

Mid-calf length socks with knit aerodynamic ribs save precious seconds

Wide compatibility with multiple components

Tubeless Kit Blocks XLAB has designed the 1stEverything you need to convert your Zipp wheels to a tubeless tire setup. Includes valve stems of the appropriate length, valve core tool and rim tape.