PRO Tharsis XC UD carbon, inline, MTB Seatpost 27.2 mm x 400 mm, Di2

Internal Di2 battery compatible. MRP Progressive MTB Shock Spring. SDG Duster P Carbon Rail MTB Saddle. Lightweight uni-directional T700 & T800 carbon fibre construction. © biketartltd. M-Part Elite Crown Race.

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