e*thirteen Helix Race Cassette - 12-Speed 9-52t Gray CheckoutTitle=Topeak JoeBlow Sport III Floor Pump Long battery life (400+ hours)

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

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

0 Color Silver Length 258mm Package 20/Count

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

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

e*thirteen Helix Race Cassette - 12-Speed 9-52t Gray CheckoutTitle=Topeak JoeBlow Sport III Floor Pump Long battery life (400+ hours)The 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