SRAM DUB Bottom Bracket Spacer Kits S3-Cat-BurgtecProducts-ShockHardware Front wheel support tire compatibility:

Front wheel support tire compatibility: Up to 28 mm

148mm thru-axle

ventilated Heel Retention: HRS-90 reinforced with 0

This meant using data to reimagine everything from how they grip to how they sit to create a bike specifically and proportionally for kids

NOTE: Oversized 7x9mm carbon rails are not compatible with seatposts equipped with side-load clamp mechanisms for 7mm round rails

SRAM DUB Bottom Bracket Spacer Kits S3-Cat-BurgtecProducts-ShockHardware Front wheel support tire compatibility:SRAM DUB BOTTOM BRACKET SPACER KITS Spare spacers kit for SRAM DUB cranksets (MTB and Road) Kit Includes: 2. 0, 4. 5, 5, 6. 0, 6. 5, 7. 5, 8. 5, 9. 0, 10. 5 and 2 pieces of 2. 5, 3. 0, 5. 5MM and 2 Standard BSA 68 AL Spacers