TREK MADONE GEN 8 SEAT POST VIPER RED Diameter x Length x Offset:Mast x 150mm x 0mm Height / width rim: 21mm

Height / width rim: 21mm / 28

SRAM XD 11/12-speed FT/RR Front Rear Diameter 29" 29" Type Tubeless Ready (TLR)/Clincher Tubeless Ready (TLR)/Clincher Cassette compatibility Not applicable SRAM XD 11/12-speed Hub width 110 mm 148 mm Holes 24 24 Butting 14/17/14 14/17/14 Cross section Bladed Bladed Brake type 6-bolt disc 6-bolt disc Attachment Thru axle Thru axle Nipple locking type Alloy locking Alloy locking Valve Presta Presta Material - Rim Carbon Carbon Weight 610g 775g

Twin piston brake calliper providing efficient braking with a minimalist design

Gear ratios: 12-speed

The children will enjoy comfortable seating and large windows  which gives them a good view on every trip

TREK MADONE GEN 8 SEAT POST VIPER RED Diameter x Length x Offset:Mast x 150mm x 0mm Height / width rim: 21mmGet back on the road with a genuine replacement seat post. Original replacement seatposts for your Madone SL R. Features Ultra light carbon construction Aerodynamic design 7 mm round, 9 mm oval and 10 mm oval saddle rail clamp ears sold separately Specification Size Mast x 150mm x 0mm Mast x 150mm x 20mm Mast x 190mm x 0mm Mast x 190mm x 20mm Diameter Mast Mast Mast Mast Length 150 mm 150 mm 190 mm 190 mm Offset 0 mm 20mm 0 mm 20mm Rail compatibility