Drivetrain |
Brompton 4 speed drivetrain, 163% range |
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Speed |
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24 |
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Frame |
Main Frame: Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
Rear Frame: Superlight Advance rear frame made from Titanium with a replaceable hanger, redesigned suspension block and new 54mm roller wheels |
KELLYS Alutec RRC 26 - Race Ready Concept |
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Stem |
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KLS Active - diam 28.6 mm / bar bore 31.8 mm / 8° / length 75 mm |
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Handle Bar |
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KLS Active RiseBar - diam 31.8 mm / rise 18 mm / width 600 mm (XXS), 620 mm (XS) |
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Fork |
Superlight Titanium fork with a threaded headset |
SR SUNTOUR XCM HLO (26), 100 mm, coil / Speed Lockout |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
KLS Active - diam 30.9 mm / length 300 mm |
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Grip |
Superlight lock-on grips with precision ground lightweight foam adhered to ultrathin engineered core weighing just 42g per pair |
KLS Advancer |
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Crankset |
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SHIMANO TY501 (42x34x24T) - length 170 mm |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
Alloy |
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Chain |
Hollow pin Superlight Advance Chain |
KMC Z8 (108 links) |
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Shifters |
Brompton 4 speed trigger shifter |
SHIMANO SL-M310 Rapidfire Plus |
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Gear |
4-speed gear system |
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Saddle |
Fizik Aliante R7 – a comfortable saddle with lightweight performance from its Composite Carbon Nylon shell |
KLS Sentinel 2 |
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Headset |
Brompton Superlight headset |
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Derailleur Front |
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SHIMANO TY700 (34.9 mm) |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
SHIMANO Altus M310 (direct mount) |
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Hub Front |
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SHIMANO TX505 Disc Center Lock (32 holes) |
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Hub Rear |
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SHIMANO TX505 Disc Center Lock (32 holes) |
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Spoke |
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Steel |
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Cassette |
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SHIMANO CS-HG200-8 (12-32T) |
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Chainrings |
6061 forged aluminium crank with 50T chainring and integrated chainguard |
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Sprocket |
11-13-15-18 Tooth |
SHIMANO CS-HG200-8 (12-32T) |
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Bottom Bracket |
Square taper bottom bracket |
Cartridge (122 mm) |
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