Uploaded October 2023 | Updated September 2026, 2 hours ago

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After 5 years, my Stumpjumper is getting a bit of an upgrade. Today I'm swapping out the 11 speed drivetrain for a 12 speed SRAM GX & riding a bit at the Forest of Dean

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Bike Spec & Product Links
Frame : 2018 Specialized Stumpjumper 29/6 Fattie 135mm
Handlebars : Specialized 780mm
Grips : DMR Deathgrip
Shifters : SRAM GX 12 Speed
Brake Levers : SRAM Guide R
Stem : Nukeproof Horizon
Headset :
Fork : Rockshox Reba RL 150mm
Brakes : SRAM Guide R
Brake Pads : Aztec
Wheels : Hubs - Specialized
Rims - Roval Traverse 29
Spokes - DT Swiss Stainless
Nipples -
Tyres : Maxxis Minion 29" x 2.5" Front / Maxxis Ardent 29" x 2.25" Rear
Seatpost : Brand X 150mm Dropper
Seat Clamp :
Saddle : Fabric Scoop Radius Elite
Rear Derailleur : SRAM GX 12 Speed
Crankset : Raceface Aeffect
Chainring : Burgtec 30T
Bottom Bracket : Raceface PF30
Chain : SRAM PCXX1 12 Speed
Cassette : SRAM GX XD Drive 12 Speed 10-50T
Pedals : DMR 12 Magnesium




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