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STEP 4: Mounting rear fender: 
Using two 12mm bolts (A) and 
two washers (F), bolt the fender 
stay to the outside of the 
threaded eyelets on the frame. 
Tighten to 35 Inlbs or 4 Nm.
Note for disc brakes:  If you have 
disc brakes, thread a 40mm bolt 
(C) through the stay, then 
through one of the cylindrical 
spacers (H), and finally into the 
eyelet of your frame (disc brake 
side only). This should get the 
stays clear of the brakes.

Hardware Pack / Tools Needed

Mounting Instructions

Cascadia ALX

Fender Installation

Instructions

A

B

E

C

D

H

A) 12mm bolts (x5)
B) 25mm bolt (x1)
C) 40mm bolt (x2)
D) 45mm bolt (x1)
E) Metal clip (x1)
F) Washer (x7)
G) Lock nut (x2)
H) Cylindrical spacers (x2)
I)  Zip tie (x1)
J) Rubber Shim (x1)

F

G

Not included:
Tools You’ll Need for Installation
K)  10mm box/open end wrench
L)  8mm box/open end wrench
M)  4mm allen/hex wrench
N) Torque wrench (not shown)
O)  Pliers (not shown)

STEP 1: Confirm you have the correct size 
fenders for your bike. If they do not 
correspond, do not use the fenders. 
Mounting front fender: Stick the 45mm bolt 
(D) with washer (F) through the attached tab 
on the front fender, then through the hole in 
the fork crown. The tab should mount on the 
front of the fork crown.  Secure with lock 
nut (G) and washer (F) while keeping the 
fender centered over the tire. Tighten to 45 
Inlbs or 5.1 Nm.  
Note:  Attaching the tab to the back side of 
the fork is acceptable if it improves fit.

STEP 2: Your fenders come with Release Tabs on 
the front fender that are designed to release the 
fender stays from the fork if debris becomes 
lodged in between tire and fender. Using the 12mm 
bolts (A) and washers (F), bolt the Release 
tab/Stay Assembly to the outside of the threaded 
eyelets on your fork (use lower eyelets if you have 
two per side). Tighten to 20 Inlbs or 2.3 Nm.
Note for disc brakes:  If you have disc brakes, 
thread a 40mm bolt (C) through the Release 
tab/Stay Assembly, then through one of the 
cylindrical spacers (H), and finally into the eyelet of 
your fork (disc brake caliper side only). This 
should get the stays clear of the brakes.

STEP 3: Front fender adjustment: Loosen the 10mm 
nuts that attach the stays to the front fender and 
position the fender so that it conforms to the 
curvature of the tire without rubbing. Make sure you 
have a minimum of 5 millimeters of clearance 
between the tire and fender. You may have to adjust 
the height of the tab mounted to the fork crown (see 
step 1) to achieve this clearance. Tighten the nuts 
snugly, but don’t use all of your strength or you risk 
breaking the hardware. Tighten to 30 Inlbs or 3.4 
Nm. Check for toe overlap by placing one foot on 
the pedal positioned at the most forward position.  
Turn the front wheel. If the tire or fender hits your 
foot we do not recommend using these fenders.

D

&

F

G

&

F

Front

Fender

A

&

F

Stay

Fork

Stay

Pre-

attached

Nut

K

L

M

STEP 1

STEP 2

STEP 3

J

A

&

F

Stays

STEP 4

Thanks for buying these Planet Bike fenders. We design them to make 
you want to steer your bike towards big puddles and get through them 
with a smile. Failure to follow installation instructions can result in loss 
of control, damage, personal injury or death. If you are unsure of any 
part of the installation process, please consult a qualified bicycle 
mechanic or local bike shop. If you have any questions regarding 
installation of the fenders, feel free to check out the FAQs at 
www.planetbike.com or email us at info@planetbike.com.

For the most up to date

installation instructions go to

www.planetbike.com/page/support/manuals

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