Are you looking for a shimano a.deailleur ultegra 11v ss rdr8000ssssyou will find more information on this article below. Do you have any questions? Please contact customer service Decathlon.rd -r8000 -ss shimano ultegra - achterdailleur - short cage - shimano shadow rd - 11 -speed the shimano ultegra 8000 achter derilleur has now improved with the shimano shadow rd design, has a sleek appearance and optimized shifting performance. applies to: 11-25t to 11-30t properties: model: rd-r8000 -s series: ultegra r8000 series color: group color average weight: 200 grams comments * no axle specification available hollow axle: yes cable reiner: yes chain compatible: hg-ev 11-speed / hg-x11 direct confirmation (direct confirmation ( conventional): x * stunt vans pivot with fluorecoating: 4 largest tooth crown max: 30t largest tooth crown min: 25t max. Difference / for: 16t lower derailleur wheel top derailleur: yes lower derailleur wheel clearance behind: 11 upper normal spring type: shadow rd smallest tooth crown max: 14t smallest tooth tooth wreath min: 11t capacity: 35t