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  3. Transmission

Transmission

The stuff which (with your help) drives your Brompton forwards .... Pedals, cranks, chainsets, chains, bottom brackets, chain tensioners and rear sprockets and spacers.

Here you can find, chains and chain tensions / derailleurs, pedals, sprocket sets and crank sets / chain rings.   

[QRSPRCLIP] Brompton driver Circlip for hub and non-hub wheels

Brompton driver Circlip for hub and non-hub wheels

£ 3.50
[QCHGD-SA] Brompton chain guide disc for BSR

Brompton chain guide disc for BSR

£ 4.50
[HMW542] Brompton Sturmey Archer Sprocket Spacer

Brompton Sturmey Archer Sprocket Spacer

£ 3.50
[HSL945] Sturmey Archer sprocket 15T 3/32 inch flat - HSL945

Sturmey Archer sprocket 15T 3/32 inch flat - HSL945

£ 4.00
[QCHRINGA-SPI-54] Brompton 54T chain ring / guard assembly for spider chainwheel

Brompton 54T chain ring / guard assembly for spider chainwheel

£ 35.00
[QCHRINGA-SPI-50] Brompton 50T chain ring / guard assembly for spider crankset

Brompton 50T chain ring / guard assembly for spider crankset

£ 35.00
[QCHRINGA-SPI-44] Brompton 44T chain ring and guard assembly for spider crankset

Brompton 44T chain ring and guard assembly for spider crankset

£ 36.00
[QCWGD-SPI-44] Brompton replacement chainwheel guard disc for spider 44T ring

Brompton replacement chainwheel guard disc for spider 44T ring

£ 10.25
[QPEDBOLTRH] Brompton Pedal axle and bolt, RIGHT hand thread, steel

Brompton Pedal axle and bolt, RIGHT hand thread, steel

£ 12.50
[QRSPR13DR] Brompton 13 tooth rear sprocket 3mm for 3-speed and SRAM 6-speed Brompton 3 spline 13T sprocket - rear side showing flange.webp

Brompton 13 tooth rear sprocket 3mm for 3-speed and SRAM 6-speed

£ 9.00
[QRSPR14] Brompton 14 tooth rear sprocket 3mm for 3-speed 1/8" chain ISO Discontinued

Brompton 14 tooth rear sprocket 3mm for 3-speed 1/8" chain ISO

£ 5.25
[QRSPR14DR] Brompton 14 tooth rear sprocket 3mm for 3-speed and SRAM 6-speed 3/32" chain ISO Discontinued

Brompton 14 tooth rear sprocket 3mm for 3-speed and SRAM 6-speed 3/32" chain ISO

£ 5.00
[QRSPR13DR-SHMNO] Brompton 13T rear sprocket 3.1mm, BWR 6-speed, 3/32" chain, Shimano Discontinued

Brompton 13T rear sprocket 3.1mm, BWR 6-speed, 3/32" chain, Shimano

£ 5.25
[QRSPR12DR-SHMNO] Brompton 12T rear sprocket 2mm, 2/1-spd, 3/32" chain, Shimano Discontinued

Brompton 12T rear sprocket 2mm, 2/1-spd, 3/32" chain, Shimano

£ 9.00
[QRSPR15DR] Brompton 15 tooth rear sprocket 2mm for SRAM 6-speed 3/32" chain ISO Discontinued

Brompton 15 tooth rear sprocket 2mm for SRAM 6-speed 3/32" chain ISO

£ 6.00
[QRSPRSTACK-SR3-14] Brompton SACHS/SRAM 3-speed sprocket set 14T Discontinued

Brompton SACHS/SRAM 3-speed sprocket set 14T

£ 10.25
[QRSPRSTACK-SR3-13] Brompton SACHS/SRAM 3-speed sprocket set 13T Discontinued

Brompton SACHS/SRAM 3-speed sprocket set 13T

£ 10.25
[QRSPRSTACK-SR6] Brompton SACHS/SRAM 6-speed sprocket set 13/15 Discontinued

Brompton SACHS/SRAM 6-speed sprocket set 13/15

£ 10.25
[QPEDREF[2]] Brompton reflector and housing for MK2 folding pedal - QPEDREF

Brompton reflector and housing for MK2 folding pedal - QPEDREF

£ 7.00
[QCHRINGBOLTS-SPI] Set of 5 bolts, for Brompton detachable Spider Chain-Ring

Set of 5 bolts, for Brompton detachable Spider Chain-Ring

£ 13.00
[QCWGD-SPI-54] Brompton replacement chainwheel guard disc for spider 54T ring

Brompton replacement chainwheel guard disc for spider 54T ring

£ 13.00
[QCWGD-SPI-50] Brompton replacement chainwheel guard disc for spider 50T ring

Brompton replacement chainwheel guard disc for spider 50T ring

£ 13.00
[QCRANKRH-SPI] Brompton right hand spider crank

Brompton right hand spider crank

£ 32.00
[QCRANKLH-SPI] Brompton left hand spider crank

Brompton left hand spider crank

£ 25.00