DMR Sect Custom - Chromoly Steel Dirt Jump Bike Frame - DMR Bikes
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SECT Dirt Jump Frame


The SECT 26” Custom is our purist dirt jump bike frame.
Its geometry is built around steeper, faster trails and bigger tricks.

£400.00

Every part of the bike has been re-thought, from front to back;

The tapered head tube is light and stiff and allows the use of lighter and stiffer forks. The head angle is 69º – the magic number for stability at speed and easy spinning. You feel real safe spinning big jumps, not too twitchy.

The front end of the bike allows room for barspins, we made sure that you don’t have to move your feet, even with 175 cranks. For the stand over we wanted to show as little post as possible without having the seat touch the rear wheel. This is purely aesthetic but makes a difference in the appearance of your build. Its still super low for can tricks and tables.

The rear end is obviously as short as possible, making the bike easy to spin and fun to manual and throw around. Its finished off with taper lock dropouts – No need to run tugs and your wheel can never move in the dropout, no matter how big you case.

This dirt jump bike frame is built from DMR heat treated, double butted Chromo and weighs in at 2.37kg.

Olly Wilkins, Team Rider/Brand Manager



No.1 DMR SECT

8 of the best dirt jump, pump track and slopestyle mountain bikes for 2020

“British company DMR pretty much invented mountain bike dirt jumping – or, at the very least, has been around since its earliest moments. And it’s no surprise that it’s still going strong – the Sect is one of the most popular frames for dirt riders".

“The Complete DMR Sect Pump and Dirt Jump Bike uses the same legendary dirt geometry as found on our DMR Sect frame, including a super short rear end for spins and flips, 69º head angle for stability, great toe clearance for barspins and low standover for tailwhips.” – DMR.



RedBull Article Here

Dirt Jump Bike Frame
• 26" wheel specific frame option.
• Super short rear end perfect for Spins and Flips.
• 69º Head angle for stability on high speed trails.
• Great toe clearance for barspins and X-Ups.
• Low standover for Two foot cans and Tailwhips.
• Patented Taperlock dropouts remove the need for chain tugs.

• Heat treated, double butted cro-mo tube-set.
• DMR Investment cast tapered head tube.
• Euro Threaded / BSA BB.
• Super short 390mm rear end.
• Patented Taperlock dropouts (No tugs needed, wheel can't move).
• 135mm rear hub spacing.
• Seat clamp 30.0mm required.
• 27.2mm seatpost diameter.
• Mech Hanger available for geared builds.
• Colours: Cosmic Black or Silver Blast.
• 2.37kg.

Taperlock explained here

• The DMR SECT 26” Custom dirt jump frame is available in Dakar Yellow or Graphite Grey.
• Mech Hanger available for geared builds.
• Geared Mech Hanger available and sold separately.

Size One Size
 
Head Tube Angle 69°
Seat Tube Angle 72°
Front Centre 656
Top Tube Length 570
Seat Tube Length 380
Bottom Bracket Drop 25
Stack 548
Reach 415
Head Tube Length 115
Seat Post Size Ø27.2
Seat Clamp Size Ø30.0
Wheelbase 1045
Chainstay Length 390
Offset 38
Axle to Crown 460
 
All dimensions in mm
 
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