Drivetrain |
Brompton Wide-range 6 speed drivetrain (2 x 3 speed), 302% range |
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Frame |
Main Frame : Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
Rear Frame : Hand brazed cold-formed micro-alloy steel tubing |
6061 aluminum main tubes, over-sized seat tube, zero-stack head tube, over-sized stays, replaceable derailleur hanger |
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Stem |
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Jamis XC alloy threadless, 31.8 x 3˚ rise x 60mm |
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Handle Bar |
High Handlebars – Brompton triple butted 6061 aluminium handlebar with shot-peened finish |
Jamis XC alloy riser, 31.8 x 20mm rise x 740mm |
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Fork |
Steel brazed fork |
SR Suntour XCT 30 HLO 27.5”, coil spring, hydraulic speed lock out adjust, external preload adjustor, 30mm stanchions, aluminum lowers, 100mm travel |
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Seatpost |
Brompton standard length Chromoly steel tube. Suitable for maximum inside leg 33″/84cm |
Jamis alloy micro-adjust, 31.6 x 350mm (15”) 400mm (17”-21”) |
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Grip |
Lock-on grips with soft-compound rubber adhered to an engineered core |
Kraton |
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Crankset |
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Forged Alloy, 32T |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
MTB platform, hi-impact resin |
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Shifters |
Brompton 2 and 3 speed Trigger shifters |
Shift levers : MicroSHIFT Advent M8195, 1x9-speed |
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Saddle |
Brompton saddle with integrated carry handle. Incorporates a mount for a Brompton rear light and saddle bag |
Jamis ATB Sport, SL cover, protective front and rear guards |
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Headset |
Brompton headset |
Zero-stack internal cup, 8mm cone spacer |
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Derailleur Rear |
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MicroSHIFT Advent M6195M 9-speed |
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Cassette |
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MicroSHIFT H093, 9-speed, 11-42T |
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Chainrings |
44T (-12% gearing) |
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Bottom Bracket |
Square taper bottom bracket |
Sealed cartridge |
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