Bicycle Headset 41.8mm to 41.8/52mm Straight Tube Fork Steering Bearing Headset 1-1/8 to 1-1/2 Tapered Head Tube MTB Road Frame 29er Seatpost：BXT T800 Carbon seatpost model

Seatpost：BXT T800 Carbon seatpost model SP-006 31

Mainland China Model BXT-ROAD-145 Available Size 47/50/52/54/56/58cm Max load 150kg Fit for Tire 700C

Flat-Mounted Disc Brake F/R(140mm) Bottom Bracket T47 Screw-in BSA(68mm) Fit for Derailleur

Roulette：SHIMANO DEORE FC-M6100

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Bicycle Headset 41.8mm to 41.8/52mm Straight Tube Fork Steering Bearing Headset 1-1/8 to 1-1/2 Tapered Head Tube MTB Road Frame 29er Seatpost：BXT T800 Carbon seatpost modelProduct Information Model: HS 001; Weight: 129g; Material: 7075 T6 Aluminum Alloy; Use: For Frame Top 41. 8mm,Down 52mm For Fork Top 28. 6mm,Down 39. 8mm; Model: HS 002; Weight: 118g; Material: 7075 T6 Aluminum Alloy; Use: For Frame Top 41. 8mm,Down 41. 8mm For Fork Top 28. 6mm,Down 30mm; Model: HS 003; Weight: 136g; Material: 7075 T6 Aluminum Alloy; Use: For Frame Top 41. 8mm,Down 52mm For Fork Top 28. 6mm,Down 30mm;