6KU Aluminum Fixed Gear Single-Speed Fixie Urban Track Bike, Shadow Black, 55cm/M & Master Lock Bike Lock Cable, Combination Bicycle Lock, Cable Lock for Outdoor Equipment, 8143D

• Product 1: "how to choose size? please select size according to height: ▲ small (52cm) / 5'4 ""- 5'8"" ▲ medium (55cm) / 5'8 ""- 5'11"" ▲ large(58cm) / 5'11 ""- 6'4"".Please reconfirm whether the size you purchased is correct before you pay. Product 1: how to assemble your 6ku bike? we have the assembly video available on this page or find it on youtube. tools included in the package. Product 1: lightweight full aluminum frame and fork Product 1: 30mm deep v double-walled alloy wheels Product 2: Outdoor bike cable lock with combination is best used as a bicycle lock and to secure other outdoor equipment.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. Product 2: Cable bike lock features a preset, four-digit combination lock. Provides a basic security level that is best used as a theft deterent Product 2: Bike lock is made with braided steel for flexibility, and includes a protective vinyl coating that helps prevent scratching Product 2: Bike lock cable is 4 ft. (1.2 m) long and 5/16 in. (8 mm) wide in diameter