Stans No Tubes M-Pulse Rear End Cap CheckoutSpec= Santa Cruz Bullit 2021+ This comfortable smooth rolling tire

This comfortable smooth rolling tire adapts to any terrain with its special tread while maintaining good grip

Remove adapter to fit older Pedro's grease tubes and other tubes

Zipp’s most advanced and fastest deep-rim wheel for road triathlon and time trialing

Single-shift gear changes with 11-speed performance

I-spec B-type shift lever compatible

Stans No Tubes M-Pulse Rear End Cap CheckoutSpec= Santa Cruz Bullit 2021+ This comfortable smooth rolling tireKits include one pair of end caps Instructions and hub axle determinations are available online @ www. notubes. com TECH SPECS description 12x142 148 157mm DS rear end cap compatibility M Pulse 6B and CL disc hubs