{"id":29516,"date":"2026-04-19T02:28:13","date_gmt":"2026-04-19T06:28:13","guid":{"rendered":"https:\/\/www.opusbike.com\/en\/bikes\/thumper-op-thu18-en\/"},"modified":"2026-04-19T02:28:13","modified_gmt":"2026-04-19T06:28:13","slug":"thumper-op-thu18-en","status":"publish","type":"bike","link":"https:\/\/www.opusbike.com\/en\/bikes\/kids\/thumper-op-thu18-en\/","title":{"rendered":"THUMPER"},"content":{"rendered":"","protected":false},"featured_media":0,"menu_order":29370,"template":"","bike-archive-year":[1844,1852],"bike-category":[2467,2497,2498],"bike-color":[2250,2249],"bike-size":[],"bike-technology":[],"bike-brand":[1840,1848],"bike-wheel-size":[2541,2542],"bike-brake":[1888,1889],"class_list":["post-29516","bike","type-bike","status-publish","hentry","bike-archive-year-2018-fr","bike-archive-year-2018-en","bike-category-kids","bike-category-thumper","bike-category-thumper-en","bike-color-mirror-green","bike-color-vert-miroite","bike-brand-opus-fr","bike-brand-opus-en","bike-wheel-size-20-fr","bike-wheel-size-20-en","bike-brake-jante-fr","bike-brake-rim-en"],"acf":{"bike_status":"Archive","bike_subtitle":"2018","tagline":"APPETITE FOR DIRT","model_name":"THUMPER","msrp":479.99,"bike_upc":"624316022206","bullets":{"bullets_1":"50 mm Spinner fork has more travel and better damping for real trail performance","bullets_2":" Double-wall alloy rims and Kenda Smallblock 8 tires are light, tough and durable","bullets_3":"Youth-sized components deliver on fit and safety","bullets_4":"","bullets_5":""},"color_variations":[{"color":2250,"image":[23449],"size_variation":[{"size":"","description":"THUMPER MIRROR GREEN "}]}],"bike_caracteristics":{"fork":"Spinner Grind 50 mm","frame":"Opus 6061 Aluminum","sizes":false,"weight":"23.4 lb \/ 10.6 kg","bike_colors":[2249,2250],"shifters":"SRAM 3.0 Twist 7","front_derailleur":"N\/A","rear_derailleur":"SRAM X3","brakes":"Tektro V-Brake","brakelevers":"Tektro Alloy","crank":"Samox Alloy 127 mm","chainrings":"36","bottom_bracket":"5 pc Steel","cassette_cogs":"Shimano Tourney 14-34","chain":"KMC Z51","headset":"VP Sealed Semi-Integrated","handlebar":"Opus Junior 25.4","stem":"Promax 60 mm 15\u00b0","grips_tape":"Opus Kraton","saddle":"Opus Junior","seatpost":"Opus Junior 27.2 x 300","wheels_rims":"Alex Ace Disc Doublewall ","hubs":"Joytech","tires":"Kenda Smallblock Eight 20 x 1.75","pedals":"Wellgo Resin","other_1":"","other_2":"","other_3":"","e_bike_motor":""},"geo_table":"
Size<\/b><\/td>20\"<\/b><\/td><\/tr>
Rider's height (\u00b1 CM)<\/td><\/td><\/tr>
Rider's age<\/td>6-8<\/td><\/tr>
S -<\/b> Seat tube<\/td>305<\/td><\/tr>
TT -<\/b> Top tube<\/td>455<\/td><\/tr>
HT -<\/b> Head tube<\/td>100<\/td><\/tr>
HA -<\/b> Head angle<\/td>71<\/td><\/tr>
SA -<\/b> Seat angle<\/td>74<\/td><\/tr>
CS -<\/b> Chain stay<\/td>390<\/td><\/tr>
D -<\/b> BB drop<\/td>8<\/td><\/tr>
ST -<\/b> Stack<\/td>420<\/td><\/tr>
RE -<\/b> Reach<\/td>334<\/td><\/tr>
SO -<\/b> Stand over<\/td>524<\/td><\/tr>
Handlebar width (mm)<\/td>540<\/td><\/tr>
Stem length (mm)<\/td>60<\/td><\/tr>
Crank length (mm)<\/td>127<\/td><\/tr><\/tbody><\/table>","geo_table_image":"https:\/\/pim.ogc.ca\/product-images\/opus\/geometry-charts\/legends\/opus-geo-legend-kids.jpg","bike_suggested_products":null},"_links":{"self":[{"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike\/29516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike"}],"about":[{"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/types\/bike"}],"wp:attachment":[{"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/media?parent=29516"}],"wp:term":[{"taxonomy":"bike-archive-year","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-archive-year?post=29516"},{"taxonomy":"bike-category","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-category?post=29516"},{"taxonomy":"bike-color","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-color?post=29516"},{"taxonomy":"bike-size","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-size?post=29516"},{"taxonomy":"bike-technology","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-technology?post=29516"},{"taxonomy":"bike-brand","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-brand?post=29516"},{"taxonomy":"bike-wheel-size","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-wheel-size?post=29516"},{"taxonomy":"bike-brake","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-brake?post=29516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}