Shimano Alivio CS-HG51 Cassette - 8 Speed 11-30t Silver CheckoutTitle=Truvativ Descendant Carbon Flat 4 TCS Tubeless Folding Black

4 TCS Tubeless Folding Black Tough/High Grip TriTec E25

}Surly Ultra New Rear Hub - Threaded x 130mm Rim Brake Fixed/Free Silver 32H

}Park Tool CT-3

Aim high: 54% lighter 2X puncture resistance and 50% smaller packed size compared to standard rubber tubes

Shimano Alivio CS-HG51 Cassette - 8 Speed 11-30t Silver CheckoutTitle=Truvativ Descendant Carbon Flat 4 TCS Tubeless Folding BlackShimano Alivio CS HG51 Cassette 8 Speed 11 30t Silver. Shimano CS HG51 8 Speed cassettes feature Hyperglide technology for reliable shifting performance and chrome plated steel gears for added corrosion resistance. Hyperglide technology provides smooth shifting Chrome plated steel gears and lockring Compatible with Shimano HG and IG chains Drilled cogs reduces weight TECH SPECS Cassette Body Type Shimano SRAM 8 9 10 Speed Cassette Cogs 11 13 15 17 20