{"id":13210,"date":"2026-07-19T18:04:29","date_gmt":"2026-07-19T18:04:29","guid":{"rendered":"https:\/\/ymracing.store\/?post_type=product&#038;p=13210"},"modified":"2026-07-19T18:15:02","modified_gmt":"2026-07-19T18:15:02","slug":"trek-marlin-4-mountain-bike","status":"publish","type":"product","link":"https:\/\/ymracing.store\/index.php\/product\/trek-marlin-4-mountain-bike\/","title":{"rendered":"Trek Marlin 4 mountain bike"},"content":{"rendered":"<h1><strong>Trek Marlin 4 Mountain Bike 27.5&#8243; Wheel, 8-Speed<\/strong><\/h1>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\">A lot of bikes claim to do everything and end up doing nothing particularly well. The <strong>Trek Marlin 4 mountain bike<\/strong> is built around a narrower, more honest promise: handle a real trail on the weekend, then handle the commute to work or school on Monday, without needing a different bike for either job. It runs on 27.5&#8243; wheels with a suspension fork up front, an 8-speed Shimano drivetrain, and hydraulic disc brakes that keep working the same way in the rain as they do on a dry singletrack. Rack and kickstand mounts are built into the frame, which matters more than it sounds a lot of trail bikes skip this, forcing an owner to choose between off-road capability and everyday usability. The Marlin 4 doesn&#8217;t ask for that trade-off. It&#8217;s sized from XS through XXL, so fit isn&#8217;t guesswork, and at 14.9kg it stays manageable for lifting onto a rack or carrying up a flight of stairs.<\/p>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"auto\">Trek Marlin 4 Overview<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\">The Marlin line is Trek&#8217;s entry point into serious mountain biking not a fitness-store hybrid dressed up to look rugged, but a bike built with real trail components: a coil-spring suspension fork, wide-volume tyres, and hydraulic disc brakes rather than the cable-actuated versions found on cheaper bikes in this category.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\">The frame uses a curved top tube and internal routing for the derailleur cable and dropper post, meaning a rider can add a dropper seatpost later without needing to run cable externally along the frame. Rack and kickstand mounts come built in, which is the detail that turns this from a weekend trail bike into something that also works as a daily rider.<\/p>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"auto\">Trek Marlin 4\u00a0 Features and Benefits<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>Suspension and frame<\/strong><br \/>\nThe SR Suntour XCE 28 fork runs a coil spring with preload adjustment and 80mm of travel, tuned for the 27.5&#8243; wheel size with a 100mm quick-release axle. That&#8217;s enough travel to take the edge off rooty, rocky trail sections without adding the weight or maintenance of a longer-travel fork built for more aggressive riding. The Alpha Silver Aluminium frame keeps the whole build at 14.9kg, light enough to handle on technical climbs without feeling flimsy on descents.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>Drivetrain<\/strong><br \/>\nAn 8-speed Shimano setup M315 shifter, ESSA U2000 rear derailleur, HG300 11-45 cassette gives a wide gear range for steep climbs and fast flat sections alike. The 11-45 spread on the cassette is notably wide for an 8-speed system, giving a low enough gear for genuinely steep trail climbs without needing a front derailleur to manage.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>Braking<\/strong><br \/>\nHydraulic disc brakes (Tektro HD-M276 or Power BH-M286TF, depending on production run, both with 160mm rotors) give consistent stopping power regardless of weather. Unlike rim brakes, hydraulic discs don&#8217;t lose performance when tyres or rims are wet or muddy, which matters on a bike built to handle actual trail conditions.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>Wheels and tyres<\/strong><br \/>\nBontrager Connection double-wall rims, 32-hole, paired with Bontrager Montrose Comp tyres at 27.5&#215;2.40&#8243;. That width gives real cushioning and grip over roots and loose surfaces without the rolling resistance penalty of a full-width fat tyre.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>Everyday usability<\/strong><br \/>\nRack and kickstand mounts, plus a threaded bottom bracket for easier home maintenance, mean this bike isn&#8217;t limited to trail use. It sits comfortably as a commuter or errand bike too, especially with a rack fitted for carrying bags or panniers.<\/p>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"auto\">Technical Specifications<\/h3>\n<div class=\"overflow-x-auto w-full px-2 mb-6\" dir=\"auto\">\n<table class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\">\n<thead class=\"text-left\">\n<tr>\n<th class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\" scope=\"col\">Component<\/th>\n<th class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\" scope=\"col\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Frame<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Alpha Silver Aluminium, curved top tube, internal derailleur\/dropper routing, rack and kickstand mounts, 135x5mm ThruSkew<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Fork<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">SR Suntour XCE 28, coil spring, preload, 42mm offset, 100mm QR, 80mm travel<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Wheel Size<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Front 27.5&#8243; \/ Rear 27.5&#8243;<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Wheels<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Bontrager Connection, double-wall, 32-hole, 20mm width, Schrader valve; Formula DC-20\/DC-22 hubs<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Tyres<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Bontrager Montrose Comp, wire bead, 30tpi, 27.5&#215;2.40&#8243;<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Shifter<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Shimano M315, 8-speed<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Rear Derailleur<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Shimano ESSA U2000<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Crank<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">ProWheel alloy, 30T narrow-wide steel ring, 160mm length<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Bottom Bracket<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Threaded cartridge<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Cassette<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Shimano HG300, 11-45, 8-speed<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Chain<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">KMC Z8.3, 8-speed<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Pedals<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Nylon platform<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Front\/Rear Brake<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Tektro HD-M276 or Power BH-M286TF hydraulic disc, 160mm rotor<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Handlebar<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Bontrager alloy, 31.8mm, 5mm rise, 690mm width<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Grips<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Trek Line Comp, nylon lock-on<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Stem<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Bontrager Comp, 31.8mm, 7-degree, 35mm length<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Headset<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Semi-integrated, 1-1\/8&#8243;<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Seatpost<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Bontrager alloy, 31.6mm, 12mm offset, 330mm length<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Saddle<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Bontrager Verse Short, stainless steel rails<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Weight<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">14.9kg<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Colours<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Blue Sage, Matte Dark Web, Purple Flip\/Black Fade<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Sizes<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">XS, S, M, ML, L, XL, XXL<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">Model Year<\/td>\n<td class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\">2027<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><em>Brake calliper models vary between production runs (Tektro or Power), both specced with 160mm rotors. <a href=\"https:\/\/www.trekstore.co.uk\/?gad_source=1&amp;gad_campaignid=23790177539&amp;gbraid=0AAAAA_R6KF3wX2KcgWBk4655XIJGYTE0b&amp;gclid=Cj0KCQjw6_HSBhCpARIsANvVltZi3UKCnDRV9t4gJ5yT-qJQJlbn_CTVuGj8-Gr0guIciZ_Gt_kanScaAs86EALw_wcB\">Manufacturers<\/a> occasionally adjust component sourcing between batches current stock details can be confirmed at checkout.<\/em><\/p>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"auto\">Applications and Industries<\/h3>\n<ol>\n<li>Singletrack and mixed-terrain trail riding2<\/li>\n<li>Daily commuting, with rack and kickstand mounts ready to use<\/li>\n<li>Fitness and fire-road riding for riders building trail confidence<\/li>\n<li>Errand and school-run riding where a rack-equipped bike beats a car*A first &#8220;real&#8221; mountain bike for riders moving up from hybrid or hardtail entry model<\/li>\n<\/ol>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"auto\">Why Choose This Trek Marlin 4 Mountain Bike<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\">Most bikes at this level make a choice: trail capability or everyday usability, rarely both. The Marlin 4 doesn&#8217;t force that decision. Hydraulic disc brakes and a genuine trail-tuned suspension fork mean it holds up on real singletrack, while the rack and kickstand mounts mean it doubles as a commuter without modification. The wide 11-45 cassette range covers steep climbs without needing a front derailleur to manage, keeping maintenance simpler than a 2x or 3x drivetrain. For a rider who wants one bike that handles both a Saturday trail ride and a Monday commute, this is a genuinely practical option rather than a compromise.<\/p>\n<h4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\" dir=\"auto\">Quality Standards<\/h4>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\">Trek builds the Marlin range using the same frame engineering and testing standards applied across its broader mountain bike lineup, with component brands Shimano, Bontrager, SR Suntour sourced from established suppliers used throughout the industry.<\/p>\n<h4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\" dir=\"auto\">Packaging Options<\/h4>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\">Bikes typically ship partially assembled in protective packaging, with final assembly (front wheel, handlebar, pedals, brake and gear adjustment) completed by a dealer or a qualified home mechanic before first use.<\/p>\n<h4 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\" dir=\"auto\">Shipping and Export Information<\/h4>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\">Shipping timelines and export documentation vary by destination and order size. Customers ordering internationally or in bulk should confirm current lead times and freight options directly with <a href=\"https:\/\/ymracing.store\/\">YM Racing.<\/a><\/p>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"auto\">Frequently Asked Questions<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>What size wheels does the Marlin 4 use?<\/strong><br \/>\n27.5&#8243; wheels, front and rear, paired with 2.40&#8243;-wide tyres for trail grip and cushioning.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>Does the Marlin 4 have suspension?<\/strong><br \/>\nYes. It uses an SR Suntour XCE 28 coil-spring fork with 80mm of travel, tuned for trail riding rather than aggressive downhill use.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>What brakes does it use?<\/strong><br \/>\nHydraulic disc brakes, either Tektro HD-M276 or Power BH-M286TF depending on the production batch, both with 160mm rotors.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>How many gears does the Marlin 4 have?<\/strong><br \/>\n8 speeds, with an 11-45 cassette range that covers steep climbs and faster flat sections without a front derailleur.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>Can this bike handle daily commuting, not just trails?<\/strong><br \/>\nYes. It has built-in rack and kickstand mounts, so it can be set up for commuting or errands alongside trail use.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>What sizes are available?<\/strong><br \/>\nXS through XXL, so fit is based on actual frame sizing rather than a single one-size-fits-most option.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>How much does the Marlin 4 weigh?<\/strong><br \/>\n14.9kg as specced from the factory.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>What colours does it come in?<\/strong><br \/>\nBlue Sage, Matte Dark Web, and Purple Flip\/Black Fade.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>Is the Marlin 4 a good first mountain bike?<\/strong><br \/>\nYes. It&#8217;s built with genuine trail components suspension fork, hydraulic discs, wide gear range at a level suited to riders stepping up from a hybrid or basic hardtail.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>Does it support a dropper seatpost?<\/strong><br \/>\nThe frame includes internal dropper post routing, so a dropper post can be added later without external cable runs.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"><strong>Is assembly required after delivery?<\/strong><br \/>\nMost bikes ship partly assembled. Final setup, including brake and gear adjustment, should be completed by a shop or an experienced home mechanic.<\/p>\n<h3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\" dir=\"auto\">Conclusion<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\">The Trek Marlin 4 earns its &#8220;trail-worthy daily rider&#8221; reputation honestly it&#8217;s not a hybrid wearing mountain bike styling, and it&#8217;s not a stripped-down trail bike that falls apart the moment it&#8217;s asked to handle a commute. Suspension, hydraulic disc brakes, and a wide gear range make it capable on real trails, while rack and kickstand mounts make it just as much at home on a daily ride to work or school. For a rider who wants one bike to cover both jobs properly, the Marlin 4 delivers without the usual trade-offs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trek Marlin 4 Mountain Bike 27.5&#8243; Wheel, 8-Speed A lot of bikes claim to do everything and end up doing nothing particularly well. The Trek Marlin 4 mountain bike is built around a narrower, more honest promise: handle a real trail on the weekend, then handle the commute to work or school on Monday, without &hellip; <br \/><a href=\"https:\/\/ymracing.store\/index.php\/product\/trek-marlin-4-mountain-bike\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Trek Marlin 4 mountain bike<\/span><\/a><\/p>\n","protected":false},"featured_media":13217,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[105,89],"product_cat":[99,81],"product_tag":[],"class_list":["post-13210","product","type-product","status-publish","has-post-thumbnail","product_brand-bike-brands","product_brand-trek","product_cat-kids-bikes","product_cat-mountain-bikes","first","instock","sale","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Trek Marlin 4 Mountain Bike | 27.5&quot;, 8-Speed Ym Racing Bike Shop<\/title>\n<meta name=\"description\" content=\"Trek Marlin 4 mountain bike: suspension fork, 8-speed Shimano, hydraulic disc brakes. 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