Hydrogenated Nitrile Butadiene Rubber (HNBR)


The combination of high-temperature resistance, excellent abrasion
resistance,and reliable low-temperature flexibility ensures durability,
making HNBR superiorto CR.

carbon fiber


High tensile strength, lightweight design, and corrosion
resistance ensure optimal performance and durability in
various operational environments.

product specifications

Specs For Belt
teeth (T) length (mm) teeth (T) length (mm) teeth (T) length (mm) teeth (T) length (mm) teeth (T) length (mm)
75 825 113 1243 121 1331 135 1485 158 1738
78 858 114 1254 122 1342 136 1496 160 1760
100 1100 115 1276 126 1386 139 1529 168 1848
102 1122 116 1276 126 1386 139 1529 168 1848
105 1155 117 1287 128 1408 143 1573 171 1881
106 1166 118 1298 130 1430 151 1661 172 1892
108 1188 119 1309 132 1452 153 1683 174 1914
109 1199 120 1320 134 1474 156 1716 179 1969
109 1199

• Belt width:12 mm    • Other specifications are available upon request.

Recommended Motor Model
Mid-Drive Motor
brand model brand model
SHIMANO E8000 NECO MM18
E6100 MIVICE X700-DC48V
BOSCH Performance Line CX Gen2 ANANDA M81
PERFORMANCE LINE GEN3 VINKA E40
Rear-Drive Motor
BAFANG RM-G01A2-250-D (H700) BAFANG RM G3600.250.A2.D

Chainstay Calculator

RC/Belt
Front Chainring (Teeth)
Rear Cog (Teeth)
* Chainstay (mm)
Belt Length




Gear Ratio
Front Sprocket
Rear Sprocket
Chainstay Length
Belt Length