GEOMETRY DIAGRAMS
FRAME SIZING, GEOMETRY & COMPONENTS
6 13
5 3
4
12
11
7
Adult Frame Size Chart
MOUNTAIN FRS
5’0”
5’1”
5’2”
5’3”
5’4”
5’5”
5’6”
5’7”
5’8”
5’9”
5’10”
5’11”
6’0”
6’1”
6’2”
6’3”
6’4”
150 CM
152 CM
155 CM
157 CM
160 CM
163 CM
165 CM
168 CM
170 CM
173 CM
175 CM
178 CM
180 CM
183 CM
185 CM
188 CM
191CM
193 CM
SMALL
MEDIUM
SMALL
EXOTIC HT HYDRO-LIGHT HT ALLOY HT
ROAD
PRO FIT NATURAL FIT ALP
50 (XS) 52 (XS) 15
STREET
13 13 13
URBAN CITY COMMUTER
15 15 or 15W
COMFORT
15 or 15W
LARGE
15 15 15 52 (S)
54 (M) 17
20.5 20.5 20.5
22 22 22
58 (XL) 58 (L)
19
19 19 17.5
17 or 17W
19
6
6 5
13
2
3
BMX
MBX-250 MBX-150
FIRST BIKE
ALLOY HT CRUISERS
MUIR BEACH
MBX-50 TINY TRAIL
1
4
4
61 (XL)
20.5
22
20.5 20.5 19
22 22 20.5
20.5
22
11
8
12
7
9
11
12
7
10
10
Street & Path
Geometry Measurement Descriptions
Kids Frame Size Chart 3
2
5
3
1
Road
AGE BAYVIEW TRAIL HIDDEN CANYON
10
Mountain HT
13
Authorized Reproduction Logos : 6/1/07
17 17 or 17W 15.5
13.5
19 19 19 56 (L) 56 (M)
54 (S)
7
10
Mountain FRS
LARGE LARGE
17 17 17
11
12
X-LARGE
MEDIUM MEDIUM
SMALL
PATH
MOUNTAIN HT
4’11”
X-SMALL
1
4
NOTE: This is intended to be used as a guide only. Age ranges are very subjective. Parents are the only determiners of appropriate size, fit and child’s safety.
QUAD XC QUAD XLT QUAD TRAIL
2 13
1
3
Correct bike fit is critical to ensuring maximum enjoyment and safety. The charts shown below are intended as a guide only, everyone is shaped differently. You should work with your local dealer to ensure proper fit.
RIDER HEIGHT
6
2
5
4
5
6
7
8
9
10
11
Bayview Trail Black Bear Icon
Black Logotype Hidden Canyon Light Background Edition: Use this mark on light backgrounds or materials. Muir Beach
MBX-250 MBX-150 MBX-50 Tiny Trail
White Logotype
White Bear Icon
12
13
MEASUREMENT HEAD TUBE ANGLE HEAD TUBE LENGTH SEAT TUBE ANGLE SEAT TUBE ACTUAL
1 2 3 4
DESCRIPTION The Head Tube angle in relation to the ground Length of the headtube, measure from the top to the bottom The Seat Tube angle in relation to the ground Distance from the center of the bottom bracket to the top of the seattube
TOP TUBE ACTUAL
5
Measurement from the center of the Head Tube / Top Tube junction to the center of the Seat Tube / Top Tube junction
TOP TUBE EFFECTIVE
6
BB HEIGHT BB DROP
7 8
Theoretical top tube length, assuming a level top tube, measured from the headtube/toptube junction horizontally back to the intersection with the seattube centerline From the center of the Bottom Bracket to the ground ROAD ONLY: Measured from the wheel axles down to the center of the bottom bracket ROAD ONLY: It is the measurement of the difference between an imaginary line running through the Fork Steerer Tube towards the ground, and the Front Axle The vertical height of the Top Tube’s mid point The distance between the Front and Rear Axles The distance between the center of the Rear Axle and the center of the Bottom Bracket Outer diameter of Seat Post
FORK OFFSET
9
STANDOVER WHEEL BASE CHAIN STAY SEAT POST
10 11 12 13
PERFORMANCE EFFECT & NOTES Affects the way a bike steers in various terrain—steeper for road and path, slacker for offroad riding Establishes relationship between handlebars and saddle Calculated to optimize the riders weight distribution and power transfer Used for size reference on all bikes A measurement related to determining the correct frame size for your height A measurement related to determining the correct frame size for your height. The bike’s approximate amount of ground clearance Affects handling and stability Affects the steering sensitivity and stability Used for proper bike fit Indicator of stability Related to climbing/descending performance and overall riding comfort Related to Seat Tube interior diameter