Origin8 Holdfast Oval Direct 1x Chainring Boost 34T 10/11/12s Black Miami Bikes R5B’s single Boa IP1-A closure

R5B’s single Boa IP1-A closure control is light

it is not possible to guarantee compatibility with all 12x142 bicycles

9% elastane4% Qty Break @: 8

That includes power

staying in the saddle or standing on the pedals

Origin8 Holdfast Oval Direct 1x Chainring Boost 34T 10/11/12s Black Miami Bikes R5B’s single Boa IP1-A closureNarrow Wide tooth design for chain retention on 1x systems Oval shape for increased power and efficiency 10, 11, or 12 speed compatible Mud clearing channels CNC AL7075 T6 Swiss Alloy Mount Compatibility: Direct Mount Teeth: 34TType: 1x Material: AL7075Spec: Boost Color: BlackChain Compatibility: 10 11 12sp Tooth Type: Narrow Wide