Drivetrain |
Brompton 4 speed drivetrain, 163% range |
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Speed |
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11 |
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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 Gravel Concept - Aluminium alloy Disc, flat mount, tapered HT, internal routing, 12 x 142 mm thru axle |
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Stem |
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KLS Active Road - diam 28.6 mm / bar bore 31.8 mm / 6° / length 90 mm (S), 100 mm (M), 110 mm (L) |
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Handle Bar |
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GravelBar - diam 31.8 mm / width 400 mm (S), 420 mm (M), 440 mm (L) |
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Fork |
Superlight Titanium fork with a threaded headset |
KELLYS Carbon Disc - 1.5 tapered steerer, flat mount disc brake, 12 x 100 mm thru axle |
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Seatpost |
Brompton Standard Chromoly steel tube – gloss black. Suitable for maximum inside leg 33″/83cm |
KS E20-I Remote Telescopic - diam 30.9 mm / length 320 mm, travel 75 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 bar tape |
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Crankset |
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SHIMANO GRX RX600-1 (40T) - length 172.5 mm (S - M), 175 mm (L) |
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Pedals |
Brompton Folding left hand and non-folding right-hand pedals |
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Chain |
Hollow pin Superlight Advance Chain |
KMC X11 EL (110 links) |
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Shifters |
Brompton 4 speed trigger shifter |
SHIMANO GRX BL-RX600 / ST-RX600 |
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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 SlipStream cr-mo rail |
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Headset |
Brompton Superlight headset |
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Derailleur Rear |
Patent-pending direct mount 4 speed derailleur |
SHIMANO GRX RX812 (direct mount) |
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Hub Front |
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NOVATEC Disc (32 holes) |
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Hub Rear |
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NOVATEC Disc (32 holes) |
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Spoke |
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Stainless steel black |
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Cassette |
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SunRace CSMS7 (11-42T) |
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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 |
SunRace CSMS7 (11-42T) |
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Bottom Bracket |
Square taper bottom bracket |
SHIMANO BB-RS500 |
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