TREK MADONE SLR CARBON INTERNAL SEATMAST CAP ANTHRACITE Diameter x Length x Offset:20x60mm Aero x 160mm x 5mm The DHF incorporates ramped knobs

The DHF incorporates ramped knobs for low rolling resistance and channel-cut knobs to increase gripping edges

Replaceable jaw covers (part #1960)

Improved heat dissipation through aluminium cooling fins

Brakes: Shimano Dura Ace hydraulic disc

There's also a bigger external pocket to store your documents

TREK MADONE SLR CARBON INTERNAL SEATMAST CAP ANTHRACITE Diameter x Length x Offset:20x60mm Aero x 160mm x 5mm The DHF incorporates ramped knobsDirect fit on Madone SL and SLR frames Ultra light carbon construction. Features Colour matched for direct compatibility Does not include saddle clamp ears 7 mm round and 10 mm oval ears sold separately Colour matched for direct compatibility Does not include saddle clamp ears 7 mm round and 10 mm oval ears sold separately Specification Diameter: 20x60 mm Aero Length: 16mm, 205mm Offset: 5mm, 25mm Rail compatibility: Universal Material: Carbon Please