| Drivetrain |
Brompton 3 speed drivetrain, 177% range |
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| Riding Modes |
3 Speed (Utility) |
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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 |
Jamis Size Specific Design frame geometry, 4130 double-butted chromoly main tubes, threaded BB shell, chain stay flat mount disc brake mounts, 12mm thru-axle, FD mount, dropper post ready, 3 waterbottle mounts, TT mounts, rack and fender eyelets |
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| Stem |
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Jamis, 3D forged alloy, 3˚ rise, Length-40mm (15/17"), 50mm (19/21"), 60mm (23") |
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| Handle Bar |
Mid handlebar |
Jamis Riser bar, aluminum, 10˚ sweep, 3ç up sweep, 20mm rise, 31.8 x 680mm (15/17/19”) 700mm (21/23”) |
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| Fork |
Steel Brazed Fork |
Jamis Chromoly fork, 12mm thru-axle dropouts, 45mm crown, flat mount disc brakes, fender, lowrider and water bottle eyelets |
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| Seatpost |
Extended, Silver (35") |
Jamis alloy micro-adjust, 27.2 x 350mm alloy clamp with QR seatpin |
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| Grip |
Push-on Rubber Grips |
MTB Kraton/Gel Double Density Grip 125mm |
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| Crankset |
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FSA Tempo crank, 42T, 15/17” 165 19/21” 170. 23” 175mm |
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| Pedals |
Non-folding Composite Pedals |
Platform style, alloy |
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| Chain |
6061 forged aluminium crank with 44T chainring and integrated chainguard |
KMC Z9 |
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| Shifters |
Brompton 3 Speed Shifter |
Shimano Altus RapidFire Plus SL-M2010, 9-speed |
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| Saddle |
A Line saddle with black rails 147mm width
Composite seat clamp and rear frame clip in matt black finish |
NEW Jamis Sport with SL top |
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| Headset |
Brompton Headset |
FSA IS3 Internal headset 1 1/8” |
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| Derailleur Rear |
Brompton Chain Pusher |
Shimano Altus RD-M2000 SGS Shadow rear |
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| Sprocket |
13 Tooth |
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| Bottom Bracket |
Square taper bottom bracket |
FSA sealed cartridge, 68 x 110.5mm |
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| Front |
Schwalbe Marathon Racer |
WTB Byway Tire with DNA compound, 650 x 47c |
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| Rear |
Schwalbe Marathon Racer |
WTB Byway Tire with DNA compound, 650 x 47c |
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| Wheel / RIM |
Rear Wheel: Double-wall rim, 28 spoke, Brompton Standard ratio 3 speed internal gear hub, 13 tooth sprocket
Front Wheel: Double wall rims, 28 spokes laced to a Brompton front hub |
WTB STX i25 TCS (UST Tubeless Compliant System) disc rims, 32H, Formula alloy 6-bolt sealed bearing rear hub, 14g black stainless steel spokes and front 12mm/rear 12x142 thru-axle with Switch Lever |
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| Tube |
Schrader Valve |
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