Dab tsi yog Cross Country Bikes siv rau

tsheb kauj vab hla teb chawsyog lub tsheb kauj vab haum rau menyuam yaus lub cev qoj ib ce. Lub npe hu ua BMX tsheb. Nws cov tsos zoo ib yam li lub moped, thiab nws cov qauv yog ruaj khov (saib daim duab [off-txoj kev tsheb kauj vab nrog lub log pab]). Cov ncej thiab pem hauv ntej diav rawg yog raug welded lug. Log diameters muaj nyob rau hauv 510mm (20 nti) thiab 405mm (16 nti). Lub npoo yog ib hom nuv ntug, feem ntau yog cov qauv hlau, thiab tseem ua los ntawm cov yas txhaj tshuaj molding muaj zog. Cov rims tau nruab nrog 510 × 54mm lossis 510 × 45mm (20 × 2.125 ntiv tes lossis 20 × 1.75 ntiv tes) thiab 405 × 45mm (16 × 1.75 ntiv tes) cov log tsheb ntxhib. Cov handlebars yog adjustable thiab upturned. Ob lub thav duab saum lub raj thiab lub handlebar hla lub raj yog haum nrog cov ntaub npog tiv thaiv. Cov brakes feem ntau siv pincer brakes, thiab tseem muaj ko taw nres. Lub flywheel thiab sprocket yog ib-theem kis tau tus mob, qhov ceev piv feem ntau yog 2-2.5, thiab stroke yog 2.6-4m. Qee lub tsheb kuj tau nruab nrog lub log pabcuam ntawm ob sab ntawm lub log tsheb, uas ua lub luag haujlwm pabcuam rau cov menyuam yaus uas nyuam qhuav kawm caij tsheb kauj vab, tiv thaiv kom tsis txhob poob thaum caij tsheb tsis sib npaug.