BB92: Also known as Shimano press-fit

This ABEC-3 bearing features deep-groove design races

as well as improved ground clearance with Shimano’s proven Shadow RD+ low profile technology

2x chainring setups are only compatible with med cage derailleurs

Giro Tremor Youth MIPS Helmet - One Size Fits Most - Matte Black - AS-NZS 2063-2008 Standard PLP|Riding Style BB92: Also known as ShimanoThe Giro Tremor Youth MIPS Helmet is for those little shredders that want a top quality helmet for the trails. This helmet is really just a shrunken version of the adult model, with a list of great features including MIPS Technology, in mold construction and the brilliant Roc Loc Sport MIPS Fit System for fast and secure fit adjustments. This helmet not only looks awesome but offers kids the latest in head protection technology. Features: Integrated