
Highlights
- Genuine RockShox crown, steerer and upper tube assembly.
- Compatible with SID RLC A1 / SID XX / SID RL B1 (2017+), Reba A7-A9 (2018–2025).
- 29" / 27.5"+ Boost wheels, 51 mm offset.
- Tapered aluminium steerer.
- Compatible with the Solo Air air spring.
- Diffusion Black finish.
Description
The ROCKSHOX SID / Reba Solo Air 29" / 27.5"+ Boost crown/steerer/upper tube assembly (CSU) is a genuine spare part comprising the fork crown, steerer and upper tubes. It can be used to repair a RockShox SID fork with a damaged steerer or upper tubes, or to change the offset, in a workshop or by an experienced mechanic.
According to the RockShox spare parts catalogue, this version is designed for 29" / 27.5"+ Boost wheels, with a 51 mm offset and a tapered aluminium steerer. It is paired with the Solo Air air spring and has a Diffusion Black finish.
It is listed for SID RLC A1 / SID XX / SID RL B1 (2017+), Reba A7-A9 (2018–2025) forks. Check the fork’s model code to confirm its model, generation and model year before ordering.