tm-cy-001
frame:26”steel city frame
brake:steel v-brake
wheel set: alloy rim/36h ucp spoke steel hub set
speed:sunrun non-index gear set, 18 speed
tm-cy-002
frame:26”steel city frame
brake:f/rim brake, r/band brake
wheel set: alloy rim/36h ucp spoke steel hub set
tm-cy-003
frame:20” folding frame
brake: f/caliper brake, r/band brake
wheel set: alloy rim/28h ed spoke, steel hub set
speed:sunrun non-index gear set, 6-speed
tm-cy-004
frame:24”steel frame
brake:steel v-brake
wheel set:alloy rim/36h ucp spoke,steel hub set
speed:shimano gear set, 18-speed
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