top tube
Horizontal bicycle member
The top tube is the horizontal bar of a bicycle frame running from the handlebars to the seat.
Traditional diamond frames have a high top tube parallel to the ground; step-through frames lower or eliminate it for easier mounting.
He swung his leg over the top tube and settled onto the saddle.
Rear frame tube segment
- bottom bracketBicycle crank bearing assembly
- dropoutOne who quits early
- headsetWearable audio device
- forkTined eating tool
stem · handlebar · seatpost · saddle · lugs · standover · crossbar
Carbon-hardened iron alloy
- aluminumElement thirteen
- carbon fiberReinforced polymer composite
- titaniumElement twenty-two
- chromolyChromium-molybdenum steel alloy
Reynolds · Columbus · hydroformed · seamless · alloy · composite · heat-treated
Measure of extent
- angleGeometric measure of rotation
- slopeAngled terrain or steepness
- reachExtend to touch
- stackItems piled vertically
horizontal · sloping · compact · traditional · effective · virtual · clearance · sizing
Joined metals by melting
- brazedJoined by melting filler
- luggedCarried laboriously
- TIGTungsten arc welding
- MIGShielded wire arc process
bonded · monocoque · butted · mitered · joined · reinforced · tapered · manipulated
Minimizing drag through shape
- integratedCombined into a whole
- sculptedShaped into art
- flattenedMade smooth or level
- oversizedExceeding typical dimensions
tapered · profiled · wind tunnel · teardrop · aero · streamlined · smooth
chainstay
Rear frame tube segment
- bottom bracketBicycle crank bearing assembly
- dropoutOne who quits early
- headsetWearable audio device
fork · stem · handlebar · seatpost · saddle · lugs · standover · crossbar
steel
Carbon-hardened iron alloy
- aluminumElement thirteen
- carbon fiberReinforced polymer composite
- titaniumElement twenty-two
chromoly · Reynolds · Columbus · hydroformed · seamless · alloy · composite · heat-treated
length
Measure of extent
stack · horizontal · sloping · compact · traditional · effective · virtual · clearance · sizing · fit
welded
Joined metals by melting
MIG · bonded · monocoque · butted · mitered · joined · reinforced · tapered · manipulated
aerodynamic
Minimizing drag through shape
- integratedCombined into a whole
- sculptedShaped into art
- flattenedMade smooth or level
oversized · tapered · profiled · wind tunnel · teardrop · aero · streamlined · smooth