Columba 26" Folding Bike w. Shimano 18 Speed Black(SP26S_BLK) 26 inch wheels. Shimano 18 speed shifter and derailleur. alloy front and rear V-brake. Kenda 26" tires/Black-26"x1.5"/Monarch-26"x1.95"/Lavender-26"x1.75". quick removable front handle stem. with alloy silver color cap & PVC black bell. front/rear steel hub. steel kick stand.