Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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1 of 2 bicycles
At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Handling
1997 Rocky Mountain Hammer Race has a 0.5° slacker head-tube angle than 1999 Rocky Mountain Hammer Race in the archived geometry. Frame size is not identified for 1997 Rocky Mountain Hammer Race and 1999 Rocky Mountain Hammer Race.
Fork offset, tire size and wheelbase also affect steering; head angle alone is not a handling verdict.
- Gearing
1999 Rocky Mountain Hammer Race has a 6% lower climbing ratio than 1997 Rocky Mountain Hammer Race.
A lower ratio gives more mechanical advantage; rear-wheel rollout determines distance per crank turn.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest0.73:1Highest3.82:1Total range521%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×2.1; rear size isn’t listed.
Lowest0.69:1Highest4.00:1Total range582%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×1.95; rear size isn’t listed.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
Specification
1997 Rocky Mountain Hammer Race
1999 Rocky Mountain Hammer Race
Overview
Model Year
1997
1999
Brand
Rocky Mountain
Rocky Mountain
Model
Hammer Race
Hammer Race
Bicycle Type
Mountain bike, front suspension
Mountain bike, front suspension
Original MSRP
$1,059.00
$1,125.00
Colors
Black
Speed Blue/Shredded Silver
Sizes
16.5", 17.5", 18.5", 19.5", 21"
14.5", 16", 17.5", 18.5", 19.5", 21"
Weight
26.2 lb
26.5 lb
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Tange chromoly, triple-butted
Reynolds 525
Fork
Rock Shox Indy XC
Marzocchi Bomber Z-4, 2.75" travel
Fork Material
Magnesium, triple-clamp crown
Aluminum, triple-clamp crown
Drivetrain
Component Group
Shimano Deore LX
Mountain Mix
Shifters
Grip Shift SRT-800 X-Ray
SRAM ESP 9.0
Front Derailleur
Shimano Deore LX top-swing, top-pull/clamp-on 28.6 mm
Shimano Deore LX top-swing, clamp-on 28.6mm
Rear Derailleur
Shimano Deore XT SGS
SRAM ESP 9.0
Crankset
Sugino Impel 350, 22/32/42 teeth
Race Face Turbine LP, 22/32/44 teeth
Bottom Bracket
Shimano BB-UN52, 110 mm spindle
Shimano cartridge, 110mm spindle
BB Shell Width
68mm English
73mm English
Rear Cogs
8-speed, 11 - 30 teeth
9-speed, 11 - 32 teeth
Chain
Sachs SC-40, 1/2 x 3/32"
Shimano CN-HG72, 1/2 x 3/32"
Pedals
Ritchey Logic (clipless)
RMB Competition XC clipless
Brakes
Brakes
Shimano Deore LX V-Brake brakes, Avid SD-2.0 levers
Avid SD-20 brakes, Avid SD-1.9 TL levers
Cockpit & Contact Points
Headset
1 1/8" threadless Ritchey Logic
1 1/8" threadless Ritchey Logic Expert
Handlebar
RMB aluminum
Aluminum, butted
Handlebar Extensions
Not included
Not included
Stem
RMB aluminum
Forged alloy
Saddle
Selle Italia
Selle Italia XO
Seatpost
RMB aluminum, 26.8 mm diameter
Aluminum micro-adjust, 26.8mm diameter
Wheels & Tires
Hubs
Shimano Deore LX
Shimano Deore LX
Rims
Sun Rims DW 6000, 32-hole
Sun Rims CR18, 32-hole
Spokes
DT stainless steel, 1.8mm straight gauge
DT Champion stainless steel, 2.0mm straight gauge
Spoke Nipples
Alloy nipples
Brass nipples
Front Tire
26 x 2.10" WTB VelociRaptor
26 x 1.95" Michelin Wild Gripper kevlar
Wheel Size
26" wheels
26" wheels
Geometry · choose a size for each bicycle
Geometry size
Head-tube angle
70.5°
71°
Seat-tube angle
73°
73°
Chainstay / rear center
430 mm
422 mm
Wheelbase
1058 mm
1056 mm
Fork offset / rake
40.6 mm
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Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run. Legacy reference geometry is model-level historical data whose corresponding frame size is not identified; compare those dimensions as reference values rather than size-normalized fit data.