- Robust Design: the wide structure of the shirts, the design of the scroll plate, the duration of the aluminum plate and the solidity of the pulley add robustness and long duration
- RD Protection function: the new automatic impact recovery function instantly reports the derailler in the original position after the impact
- Shimano Shadow ES: the most subtle evolution of Shadow RD+, Shimano pioneering idea of stabilization of the
chain - CHANGE WIRELESS precise and clear: Ultra -Welcer change and range of 500%reports, without sacrificing anything
- Protected battery: hidden safely inside a closed space, the battery does not move even on the most rough terrains, while remaining easily removable for recharging
Robusta pulley and the shielded teeth prevent debris of the path from clogging their flow

technical specifications
- Série: deore xt
- versão: di2 sem fio, velocidade 1x12, gaiola longa
- Compatibilidade da caixa de engrenagens: shimano deore xt de 2 sw -m8250
- nutrição: nutrição: shimano bateria: bt -dn320
- Pignoni 12 - Pignone máximo: 45 dentes
- Pignona mínima maior: 45 dentes
- Pigno max menor: 9 dentes
- Pigno menor min: 9 dentes
- polpa: transportador labificado. Alumínio, plástico, gaiola: alumínio