MSRP | $999 | $1,599 | $1,899 |
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Where to Buy | — $1 At | — $1 At | — $1 At |
Category | Trail | Trail | Trail |
Aluminum | Aluminum | Aluminum | |
Fork | Suntour XCM (coil) | Suntour RAIDON (air) | RockShox 35 Gold RL (air) |
Wheels | Aluminum | Aluminum | Aluminum |
29″ | 29″ | 29″ | |
Brakes | Hydraulic Disc | Hydraulic Disc | Hydraulic Disc |
Groupset | Altus | SX Eagle | GX Eagle, NX Eagle |
Drivetrain | 1 × 9 | 1 × 12 | 1 × 12 |
Suspension | Hardtail | Hardtail | Hardtail |
Front Travel | 130mm | 130mm | 140mm |
Brand Site | |||
Summary | The Rocky Mountain Growler 20, Rocky Mountain Growler 40, and Rocky Mountain Growler 50 are all 29″ aluminum frame hardtail trail bikes. The Growler 20 has a rigid seatpost, while the Growler 50 has better components, a better fork, and a bigger fork. |
Based on frame geometry and build specs.
Frame | Rocky Mountain 6061 Alloy. Threaded BB. Boost 148mm. Tapered Zerostack Headtube. Dropper Post Compatible. BB Standard: BSA, 73mm, Threaded | Rocky Mountain 6061 Alloy. Threaded BB. Boost 148mm. Tapered Zerostack Headtube. Dropper Post Compatible. BB Standard: BSA, 73mm, Threaded | Rocky Mountain 6061 Alloy. Threaded BB. Boost 148mm. Tapered Zerostack Headtube. Dropper Post Compatible. BB Standard: BSA, 73mm, Threaded |
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Fork | Suntour XCM34 DS 130mm Travel: 130mm Spring Type: Air | Suntour Raidon 34 LOR Air Boost 130mm Travel: 130mm Spring Type: Air | RockShox 35 Gold RL 140mm 44mm Offset Travel: 130mm Spring Type: Air |
Bottom Bracket | FSA Sealed Cartridge Bearing | SRAM Powerspline | SRAM BSA DUB |
Headset | FSA No. 57B | FSA No. 57B | FSA Orbit NO.57E |
Stem | Rocky Mountain XC | Rocky Mountain XC | Rocky Mountain 35 AM |
Handlebar | Rocky Mountain AM 780mm | Rocky Mountain AM 780mm | Rocky Mountain AM 780mm |
Saddle | WTB Volt Race 142 | WTB Volt Race 142 | WTB Volt Race 142 |
Seatpost | Rocky Mountain 30.9mm | Rocky Mountain Toonie Drop 30.9mm | Rocky Mountain Toonie Drop 30.9mm |
Pedals | Alloy Platform | Alloy Platform | Alloy Platform |
Grips | Rocky Mountain Lock On Light | Rocky Mountain Lock On Light | Rocky Mountain Lock On Light |
Rear Derailleur | Shimano Altus 9 Spd | SRAM SX Eagle | SRAM GX Eagle |
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Crank | Rocky Mountain Microdrive 28T | SRAM SX Eagle Powerspline 30T | SRAM SX Eagle 30T |
Shifters | Shimano Altus | SRAM SX Eagle | SRAM NX Eagle |
Cassette | SunRace CSM980 11-40T | SRAM PG-1210 11-50T | SRAM PG-1210 11-50T |
Chain | KMC X9 | SRAM SX Eagle | SRAM SX Eagle |
Brakes | Shimano MT201 2 Piston | Shimano MT400 2 Piston | Shimano MT420 4 Piston Front Shimano MT400 2 Piston Rear |
Brake Levers | Shimano MT201 | Shimano MT400 | Shimano MT400 |
Rims | WTB ST i30 TCS 2.0 Tubeless | WTB ST i30 TCS 2.0 Tubeless | WTB ST i30 TCS 2.0 Tubeless |
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Spokes | 2.0 Stainless | 2.0 Stainless | 2.0 Stainless |
Front Hub | Shimano MT400 Boost 15mm | Shimano MT400 Boost 15mm | Shimano MT400 Boost 15mm |
Rear Hub | Shimano MT400 Boost 148mm | Shimano MT400 Boost 148mm | Shimano MT400 Boost 148mm |
Tires | WTB Trail Boss G2 29 x 2.6 | WTB Vigilante TCS Light High Grip Tri-Tec 29 x 2.6 Front WTB TrailBoss G2 TCS Light Fast Rolling Tri-Tec 29 x 2.6 Rear | WTB Vigilante TCS Light High Grip Tri-Tec 29 x 2.6 Front WTB TrailBoss G2 TCS Light Fast Rolling Tri-Tec 29 x 2.6 Rear |