Triumph Street Triple R Fork Seals

The Triumph Street Triple R runs a 41 mm upside-down front fork (Kayaba 41mm USD (Aprilia Dorsoduro 900 / Shiver 900 / BMW G310 / Triumph Street Triple group)).Every kit here is verified by the manufacturer to fit this exact bike. Fork seals can share a size and still not seat in a different fork, so we only list what is confirmed for your bike.

  • Fork tube41 mm
  • Fork typeUpside-down
  • ForkKayaba 41mm USD (Aprilia Dorsoduro 900 / Shiver 900 / BMW G310 / Triumph Street Triple group)
KitYearsSeal sizeReplaces OEM
55-117 2013–2017 41x53x8 Aprilia 2B004402
55-119 2021–2022 41x54x11 BMW 31422312838, BMW 31428358444
57-107 2013–2017 n/a n/a
56-129 2013–2017 n/a n/a

Verified fork kits we stock for your Triumph Street Triple R

Fork oil for your Triumph Street Triple R

A fork-oil change on the Triumph Street Triple R uses 10wt fork oil. Factory fill: Kayaba G10 (SAE 10) — Showa SS-8 on some.