Promax CK-1 Carbon Crankset - 170mm 2-PC Direct Mount SRAM 3-Bolt 30mm Spindle BLK Model-PM-180-F 220 }Surly ExtraTerrestrial Tire - 26

}Surly ExtraTerrestrial Tire - 26 x 2

mount it without a tube on a tubeless-compatible wheel

Small diameter for small hands

Abundant open space between all knobs allows the tread pattern to dig through the driest days of summer and fling mud in the wettest months

protects against corrosion and extremely good thermal stability

Promax CK-1 Carbon Crankset - 170mm 2-PC Direct Mount SRAM 3-Bolt 30mm Spindle BLK Model-PM-180-F 220 }Surly ExtraTerrestrial Tire - 26Promax CK 1 Carbon Crankset 170mm 2 PC Direct Mount SRAM 3 Bolt 30mm Spindle Black. CK 1 cranks are Promaxs top of the line carbon crank offering. The race ready carbon design maximizes strength and minimizes weight. The crank arms spin on a beefy 30mm spindle to increase stiffness and power transfer. These cranks offer direct mount chainring compatibility for additional weight savings or run them with a 4 bolt 104 BCD chainring adapter available