{"id":31871,"date":"2026-03-27T02:05:24","date_gmt":"2026-03-27T06:05:24","guid":{"rendered":"https:\/\/www.opusbike.com\/en\/bikes\/fortitude-fb-tiagra-op-forfbtiacb-en\/"},"modified":"2026-03-27T02:05:24","modified_gmt":"2026-03-27T06:05:24","slug":"fortitude-fb-tiagra-op-forfbtiacb-en","status":"publish","type":"bike","link":"https:\/\/www.opusbike.com\/en\/bikes\/fortitude\/fortitude-fb-tiagra-op-forfbtiacb-en\/","title":{"rendered":"FORTITUDE FB TIAGRA"},"content":{"rendered":"","protected":false},"featured_media":0,"menu_order":11350,"template":"","bike-archive-year":[2559,2590,2591],"bike-category":[2563,2564,2347],"bike-color":[2087,2088],"bike-size":[1979,1981,1857,1861,1934,1851],"bike-technology":[2410,2581,2578,2360,2359,2358,2376],"bike-brand":[1848,1840],"bike-wheel-size":[2532,2531],"bike-brake":[1849,1841],"class_list":["post-31871","bike","type-bike","status-publish","hentry","bike-archive-year-2025-en","bike-archive-year-2026-fr","bike-archive-year-2026-en","bike-category-fortitude","bike-category-fortitude-en","bike-category-road-and-gravel","bike-color-bleu-cristal","bike-color-crystal-blue","bike-size-g-fr","bike-size-l-en","bike-size-m-en","bike-size-s-en","bike-size-xl-en","bike-size-xs-en","bike-technology-2x10-gearing-en","bike-technology-aluminum-frame-en","bike-technology-cadre-en-aluminium-fr","bike-technology-carbon-fork-en","bike-technology-optimized-gearing-en","bike-technology-progressive-geometry-en","bike-technology-xs-xl-en","bike-brand-opus-en","bike-brand-opus-fr","bike-wheel-size-700-en","bike-wheel-size-700-fr","bike-brake-disc-en","bike-brake-disque-fr"],"acf":{"bike_status":"Current","bike_subtitle":"","tagline":"","model_name":"FORTITUDE FB TIAGRA","msrp":1599.99,"bike_upc":"624316172505","bullets":{"bullets_1":"Complete Shimano Tiagra 10-speed group","bullets_2":"Dual piston mechanical disc brakes","bullets_3":"Full carbon fork","bullets_4":"32mm tires with clearance for up to 35mm","bullets_5":"Ergonomic handlebar"},"color_variations":[{"color":2088,"image":[31873,31875,31877],"size_variation":[{"size":"XL","description":"FORTITUDE FB TIAGRA 10S CRYSTAL BLUE XLARGE"},{"size":"L","description":"FORTITUDE FB TIAGRA 10S CRYSTAL BLUE L"},{"size":"M","description":"FORTITUDE FB TIAGRA 10S CRYSTAL BLUE M"},{"size":"S","description":"FORTITUDE FB TIAGRA 10S CRYSTAL BLUE S"},{"size":"XS","description":"FORTITUDE FB TIAGRA 10S CRYSTAL BLUE XSMALL"}]}],"bike_caracteristics":{"fork":"Carbon Tapered 1-1\/4 to 1-1\/8 in","frame":"Aluminum","sizes":[1851,1857,1861,1934,1979,1981],"weight":"","bike_colors":[2087,2088],"shifters":"Shimano Tiagra 4700 2 x 10","front_derailleur":"Shimano Tiagra 4700","rear_derailleur":"Shimano Tiagra 4700","brakes":"Tektro HD-R280 hydraulic disc","brakelevers":"Shimano Tiagra 4700","crank":"Prowheel RPL-521TT","chainrings":"46-30","bottom_bracket":"BB68 sealed cartridge","cassette_cogs":"Shimano HG500 -10 11-32t","chain":"KMC X10","headset":"TH Integrated Sealed","handlebar":"Alloy 31.8mm","stem":"Promax","grips_tape":"Velo ERGO dual density","saddle":"Opus Endurance","seatpost":"Promax alloy 27.2 x 300","wheels_rims":"Weinmann U28","hubs":"Alex 28h 6 bolts","tires":"Kenda K1225 4Titude 700x35c","pedals":"N\/A","other_1":"Rear rack and fender mounts","other_2":"","other_3":"","e_bike_motor":""},"geo_table":"
Size<\/b><\/td>XS<\/b><\/td>S<\/b><\/td>M<\/b><\/td>L<\/b><\/td><\/tr>
Rider's height (\u00b1 5CM)<\/td>160<\/td>168<\/td>175<\/td>183<\/td><\/tr>
Rider's height (\u00b1 2\")<\/td>5\u20193\u201d<\/td>5\u20196?<\/td>5\u20199\u201d<\/td>6\u20190\u201d<\/td><\/tr>
S -<\/b> Seat tube<\/td>420<\/td>460<\/td>500<\/td>540<\/td><\/tr>
TT -<\/b> Top tube<\/td>530<\/td>550<\/td>570<\/td>590<\/td><\/tr>
HT -<\/b> Head tube<\/td>100<\/td>125<\/td>145<\/td>165<\/td><\/tr>
HA -<\/b> Head angle<\/td>71<\/td>71.5<\/td>72<\/td>72<\/td><\/tr>
SA -<\/b> Seat angle<\/td>74.5<\/td>74<\/td>73.5<\/td>73<\/td><\/tr>
CS -<\/b> Chain stay<\/td>430<\/td>435<\/td>435<\/td>435<\/td><\/tr>
D -<\/b> BB drop<\/td>80<\/td>78<\/td>76<\/td>74<\/td><\/tr>
ST -<\/b> Stack<\/td>539<\/td>562<\/td>581<\/td>598<\/td><\/tr>
RE -<\/b> Reach<\/td>380<\/td>389<\/td>398<\/td>407<\/td><\/tr>
SO -<\/b> Stand over<\/td><\/td><\/td><\/td><\/td><\/tr>
Handlebar width (mm)<\/td>580<\/td>600<\/td>600<\/td>620<\/td><\/tr>
Stem length (mm)<\/td>80<\/td>80<\/td>90<\/td>90<\/td><\/tr>
Crank length (mm)<\/td>165<\/td>170<\/td>170<\/td>172.5<\/td><\/tr><\/tbody><\/table>","geo_table_image":"https:\/\/pim.ogc.ca\/product-images\/opus\/geometry-charts\/legends\/opus-geo-legend-road-and-gravel.jpg","bike_suggested_products":null},"_links":{"self":[{"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike\/31871","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=31871"}],"wp:term":[{"taxonomy":"bike-archive-year","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-archive-year?post=31871"},{"taxonomy":"bike-category","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-category?post=31871"},{"taxonomy":"bike-color","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-color?post=31871"},{"taxonomy":"bike-size","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-size?post=31871"},{"taxonomy":"bike-technology","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-technology?post=31871"},{"taxonomy":"bike-brand","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-brand?post=31871"},{"taxonomy":"bike-wheel-size","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-wheel-size?post=31871"},{"taxonomy":"bike-brake","embeddable":true,"href":"https:\/\/www.opusbike.com\/en\/wp-json\/wp\/v2\/bike-brake?post=31871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}