RockShox ZEB Air Shaft - DebonAir + 190 mm Travel 27.5"/29" A2+ MFPN=ST12RX31.860X6BLK }Shimano Alfine SG-S7001 8-Speed Internally

}Shimano Alfine SG-S7001 8-Speed Internally Geared Disc Brake 36h Rear Hub Black Small Parts Not Included

Smooth and durable master cylinder design

Tooth Count 32 Ring Position/Type Chain Retaining Single Ring Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 104 Color Black Defined Color Black Material Aluminum

The low-profile design reduces weight minimizes snag points and provides a clean sleek look

RockShox ZEB Air Shaft - DebonAir + 190 mm Travel 27.5"/29" A2+ MFPN=ST12RX31.860X6BLK }Shimano Alfine SG-S7001 8-Speed InternallyRockShox ZEB Air Shaft DebonAir + 190 mm Travel 27. 5" 29" A2+. DebonAir+ Air Shaft Assembly for RockShox suspension forks.