Marlin Spear12 Aluminum Mountain Bike with Shimano Deore 1x12 Drivetrain & Suntour Air Fork

Experience fast trail performance and confident off-road riding with this premium 29er aluminum mountain bike. Built using a lightweight 6061 triple butted aluminum frame with smooth welds and internal cable routing, this bike is designed for riders who want durability, speed, and clean styling. The tapered headtube and boost thru-axle setup improve overall handling and frame stiffness for better control on rough terrain. Equipped with a Shimano Deore 1x12-speed drivetrain, it delivers smooth shifting and reliable climbing performance across different trail conditions. The SR Suntour XCR32 Boost Air suspension fork with remote lockout offers responsive comfort and control whether riding trails, gravel, or long-distance routes. Tubeless-ready Sunringle rims paired with Maxxis Rekon Race tires provide excellent grip, low rolling resistance, and reliable traction. This mountain bike is ideal for riders looking for lightweight efficiency, modern geometry, and dependable trail-ready performance.

Key Features

• Frame: 6061 Aluminum Triple Butted Frame with smooth welds

• Cable Routing: Internal cable routing design

• Headtube: Tapered headtube for improved stiffness and control

• Fork: SR Suntour XCR32 Boost Air fork with 100mm travel

• Lockout: Remote lockout system for efficient riding

• Drivetrain: Shimano Deore 1x12-speed drivetrain

• Wheel Size: 29-inch wheels for better rolling efficiency

• Rims: Sunringle Duroc30 tubeless-ready rims

• Tires: Maxxis Rekon Race 29x2.25” EXO Tan Wall tires

• Brakes: Tektro hydraulic disc brakes

• Axle Setup: 12x148mm Boost thru-axle rear hub

• Weight: Lightweight 13.3kg build

Product Specifications

• Frame: 6061 Aluminum, Triple Butted Frame with smooth weld, tapered headtube, internal cable routing, 12x148mm thru-axle, 73mm threaded BB, dropper post ready

• Fork: SR Suntour XCR32-Boost-Air, 100mm travel with remote lockout

• Frame Colour: Matt Black

• Decal: Water Decal (Mirror)

Drivetrain

• Shifter: Shimano Deore SL-M6100-R, 1x12-speed trigger

• Crankset: Shimano Deore 2-piece crankset

• Cassette: Shimano Deore CS-M6100-12 Microspline

• Rear Derailleur: Shimano RD-M6100-SGS Deore

• Bottom Bracket: Shimano BB52, 73mm

• Chain: KMC X-12

• Pedals: VP-536 Nylon Pedals

Cockpit

• Saddle: Lightweight Spate Saddle

• Seat Post: Alloy 30.4×2.4Tx350mm with bolt

• Handlebar: Alloy 31.8mm, 10mm rise, 760mm width

• Headset: Sealed bearing headset, 1-1/8” 44×55

• Stem: Alloy stem with 7° rise/drop, 60mm length

• Grips: NPY Silicone Grips

Wheel & Tire

• Rims: Sunringle Duroc30, tubeless ready, 32H

• Wheel Size: 29 inch

• Tires: Maxxis Rekon Race 29×2.25” EXO Tan Wall, 60TPI

• Front Hub: Solon DH908TF BOOST front hub

• Rear Hub: Solon DH952TRM BOOST rear hub with 4 sealed bearings and 6 pawls

• Spokes: Stainless Steel G14

Brake System

• Brake Lever: Tektro HD-M275

• Brake Caliper: Tektro HD-M275 Hydraulic Disc Brakes

• Rotor Size: 180mm Front / 160mm Rear

Additional Details

• Weight: 13.3 kilograms

• Ideal Height: M (165–176cm), L (175–186cm)

• Maximum Weight Capacity: 130 kilograms including bike weight

Trail Performance & Control

This bike is built to deliver stable and responsive handling on trails, gravel roads, and technical terrain. The Boost hub spacing improves wheel stiffness and tracking while the air suspension fork absorbs bumps efficiently for a smoother ride. The Shimano Deore 1x12 drivetrain offers a wide gear range that helps riders climb steep sections easily and maintain speed on flats. The hydraulic disc brakes provide strong braking power and dependable stopping performance in both dry and wet conditions.

Why Choose This Product

• Lightweight aluminum frame with modern geometry

• Reliable Shimano Deore 12-speed performance

• Smooth and responsive SR Suntour air suspension fork

• Tubeless-ready wheels for better efficiency and puncture resistance

• Hydraulic disc brakes for confident stopping power

• Internal cable routing for clean looks and reduced maintenance

• Suitable for trail riding, cross-country, and long-distance rides

• High-quality components for durability and performance

In the Box

• 29er Mountain Bike