Experience quicker acceleration and find that the 69.9 cm (27.5 in.) Maxxis Ikon wheels roll over the trail with ease, giving you greater control and agility. Begin your outdoor adventures with the Northrock XC27.  Shimano Altus 21-speed drivetrain works seamlessly with Shimano Altus Rapid-Fire shifters for confidence and precision. Find the optimal cadence with a wide range of gears on the Shimano triple crank. To ensure overall riding performance, Northrock selected Tektro mechanical disc brakes for responsive stopping while out trailblazing. From the clear coat paint finish to the coordinating saddle, no detail on the XC27 has been overlooked.
Specifications:
Frame: all-aluminum 6061, 69.9 cm (27.5 in.) specific geometry, press formed aluminum frame for performance and lightweight, fender and rack mounts, water bosses and replaceable derailleur hanger.  Cables are integrated into the frame for a sleek look and protection
Frame Size: medium 44.45 cm (17.5 in). Fits most riders 1.7 m to 1.8 m (5 ft 7 in. to 6 ft 1 in.)
Color: gloss black enhanced with bold matte red accents, finished with a protective clear coat for enduring shine and long-lasting durability
Fork: SR Suntour XCE DS 69.9 cm (27.5 in.), preload, 80 mm travel
Headset: sealed integrated threadless
Cranks: Shimano FC-TY501, 42/34/24T
Bottom bracket: sealed cartridge
Rear derailleur: Shimano Altus M310
Shifter: Shimano Altus EF-500 Rapid-Fire (21 Speeds)
Cogset: Shimano (14-28T)
Chain: KMC-HV500
Brakes: Tektro mechanical dual disc
Brake levers: Shimano Altus EF-500 integrated with shifter
Front hub: 32H alloy with quick-release
Rear hub: 32H alloy with quick-release
Spokes: stainless-steel
Rims: alloy double wall
Tires: Maxxis mountain, 69.9 cm x 5.6 cm (27.5 in. x 2.2 in.)
Handlebars: NR 31.8 mm low rise black alloy
Grips: Velo ergonomic dual density comfort grip
Stem: NR sport, 8-degree
Seat post: alloy micro adjust 30.9 mm with quick-release
Seat: Velo mountain performance
Kickstand: included (removal at rider’s option)
Easy assembly, tools included
 
Dimensions (L × W × H ) : 180 cm × 66 cm × 105 cm (70.86 in. × 25.98 in. × 41.3 in.)
Weight: 14.70 kg (32.41 lb)