Topeak MTX BeamRack II Seatpost Mount Rack Brand_Praxis Works Minimalist one-piece design weighing just

Minimalist one-piece design weighing just 36 grams maintaining optimal bottle retention while keeping weight low

BB86/90/92

0mm offset= 55mm chainline

GRX RD-RX815 Di2 Rear DerailleurOperates with Shimano Di2 for digital electronic shifting

Topeak MTX BeamRack II Seatpost Mount Rack Brand_Praxis Works Minimalist one-piece design weighing justThe newly designed extended and widened version of the MTX BEAMRACK is better suited for 29 MTB and gravel bikes. It features an MTX QuickTrack panel compatible with MTX 1. 0 and 2. 0 system bags and baskets. Flip the panel to adapt it for bags and baskets from other brands. Ideal for 29 MTB and gravel bikes Compatible with MTX 1. 0 and 2. 0 system bags and baskets Fits seatposts with diameters from 25. 4 to 31. 8 mm Integrated rubber bungee cord