e*thirteen Helix Race Cassette - 12-Speed 9-52t Gray CheckoutTitle=Topeak JoeBlow Sport III Floor Pump 5 Wall Dbl Side MSW

5 Wall Dbl Side MSW Color Black Hole Count 36 Valve SV Weight 495g ERD 497 Extras

25 Metric No Lockout Switch Shock Mounted Switch Weight 355 Eyelet Diameter (mm) 12

Graphene and Silica compound ensures speed and confidence on cobblestones and hardpack for grip

Long battery life (400+ hours) to power a season of rides (User replaceable AAA lithium battery)

Weight without BB: 800g (172

e*thirteen Helix Race Cassette - 12-Speed 9-52t Gray CheckoutTitle=Topeak JoeBlow Sport III Floor Pump 5 Wall Dbl Side MSWThe e*thriteen Helix Race 12 speed 9 52t cassette is engineered to deliver precision shifting performance with an industry leading 578% gear range. The proprietary 9 tooth smallest cog combined with the 52t largest cog enables the use of a smaller chainring for improved clearance lighter system weight and a lower bail out gear ratio without high gear compromise. Seamless cross compatibility with Shimano SRAM and TRP 12 speed drivetrains Patented 2