BB HEIGHT: 13"

The Air Master features a load of other features from the investment cast dropouts

The BSD Substance XL V2 Crank is both RHD and LHD compatible

super strong butted 2pc cromo steerer tube with hydroformed legs and an improved tapered blade design

Sunday X Burn Slow Soundwave V3 Frame Size:21.25" BB HEIGHT: 13"###section### Product Specs MATERIAL: Chromoly HEAD TUBE ANGLE: 75 SEAT TUBE ANGLE: 71 CHAIN STAY LENGTH: 13. 2" 13. 5" BB HEIGHT: 11. 5" WHEEL SIZE: 20" STANDOVER HEIGHT: 9" DROPOUT SIZE: 14mm HEADSET TYPE: Integrated BB TYPE: Mid BRAKE MOUNTS: Removable (Sold separately) GYRO TABS: Removable (Sold separately) WEIGHT: 4. 9lbs (2. 2kg) ###section### Product Highlights Neutral geometry for responsiveness and stability Best suited to street and park